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Original Article
Contrasting income-based inequalities in incidence and mortality of breast cancer in Korea, 2006-2015
Jinwook Bahk, Hee-Yeon Kang, Young-Ho Khang, Kyunghee Jung-Choi
Epidemiol Health. 2024;46:e2024074.   Published online September 11, 2024
DOI: https://doi.org/10.4178/epih.e2024074
  • 1,151 View
  • 67 Download
AbstractAbstract AbstractSummary PDFSupplementary Material
Abstract
OBJECTIVES
Breast cancer incidence and mortality rates in Korea are increasing. This study analyzed income-based inequalities in the incidence and mortality of women breast cancer from 2006 to 2015, using national data that covered all Korean women.
METHODS
We used the National Health Information Database from 2006 to 2015. For women aged 20 and older, the age-standardized incidence and mortality rates of breast cancer per 100,000 by income quintile per year were calculated using the direct method. The rate ratio and rate difference (RD) of the age-standardized incidence and mortality rates of breast cancer per 100,000 between the top and bottom income quintiles were calculated as relative and absolute measures for inequalities.
RESULTS
When comparing 2006 and 2015, both the incidence and mortality rates of breast cancer increased. The lowest income quintile experienced higher mortality rates despite having lower incidence rates. In 2015, the income-based RD in incidence and mortality rates between the highest and lowest income quintiles (Q1-Q5) was -19.9 (95% confidence interval [CI], -24.3 to -15.5) and 4.4 (95% CI, 2.9 to 5.8), respectively. Throughout this period, there was no statistically significant trend in income-based disparities in breast cancer incidence and mortality. The age-specific contributions to the absolute magnitude of inequality (RD) in incidence and mortality were more pronounced among middle-aged women than among older women.
CONCLUSIONS
This study found that breast cancer in Korea exhibited pro-rich inequalities in mortality despite pro-poor inequalities in incidence. More equitable policies for screening and treatment of breast cancer are needed.
Summary
Korean summary
2006년부터 2015년 한국의 유방암 불평등 추세를 분석하면, 소득수준이 낮은 여성의 발생률은 상대적으로 낮음에도 불구하고 사망률은 높은 양상을 보였다. 유방암 검진과 치료에 있어 보다 형평성을 고려한 정책이 요구된다.
Key Message
This study found that breast cancer in Korea exhibited pro-rich inequalities in mortality despite pro-poor inequalities in incidence. More equitable policies for screening and treatment of breast cancer are needed.
Systematic Review
Tea consumption and risk of all-cause, cardiovascular disease, and cancer mortality: a meta-analysis of thirty-eight prospective cohort data sets
Youngyo Kim, Youjin Je
Epidemiol Health. 2024;46:e2024056.   Published online June 21, 2024
DOI: https://doi.org/10.4178/epih.e2024056
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  • 115 Download
  • 1 Crossref
AbstractAbstract AbstractSummary PDFSupplementary Material
Abstract
OBJECTIVES
Tea consumption has been considered beneficial to human health because tea contains phytochemicals such as polyphenols and theaflavins. We conducted a systematic review and meta-analysis on the association between tea consumption and mortality from all causes, cardiovascular disease (CVD), and cancer to provide a quantitative assessment of current evidence.
METHODS
The PubMed, Web of Science, and Scopus databases were searched through April 2024 to identify eligible studies. Random effects models were used to combine study-specific effect estimates (ESs).
RESULTS
A total of 38 prospective cohort data sets (from 27 papers) with 1,956,549 participants were included in this meta-analysis. The pooled ESs of the highest versus lowest categories of tea consumption were 0.90 (95% confidence interval [CI], 0.86 to 0.95) for all-cause mortality, 0.86 (95% CI, 0.79 to 0.94) for CVD mortality, and 0.90 (95% CI, 0.78 to 1.03) for cancer mortality. In the dose-response analysis, a non-linear association was observed. The greatest risk reductions were observed for the consumption of 2.0 cup/day for all-cause mortality (ES, 0.91; 95% CI, 0.88 to 0.94) and 1.5 cup/day for cancer mortality (ES, 0.92; 95% CI, 0.89 to 0.96), whereas additional consumption did not show a further reduction in the risk of death. A plateau was observed for CVD mortality at moderate consumption levels (1.5-3.0 cup/day), but a sustained reduction in mortality risk was observed at higher intake levels.
CONCLUSIONS
Moderate tea consumption (e.g., 1.5-2.0 cup/day) was associated with lower all-cause, CVD, and cancer mortality compared to no tea consumption. Further well-designed prospective studies are needed for a definitive conclusion.
Summary
Korean summary
차는 전세계적으로 널리 소비되는 음료로 그 공중보건학적 영향력이 크다. 차의 섭취와 만성질환의 관련성은 아직 일관성 있게 결론이 나지 않았는데 최근에 이 주제에 대하여 대규모의 코호트 연구 결과들이 발표된 바 있었다. 38개의 코호트 데이터에 근거한 본 메타분석의 결과는 하루 한 잔 반에서 두 잔의 차를 마시는 것이 총사망위험과 심혈관계질환이나 암으로 인한 사망 위험을 낮추는 것과 관계가 있음을 나타내고 있다.
Key Message
Tea is a commonly consumed beverage worldwide and has a significant public health impact. The association between tea consumption and risk of mortality from chronic disease remains inconsistent, and extensive cohort studies have been published recently. In this meta-analysis, including thirty-eight cohort studies, people who drank one and a half to two cups of tea daily had a lower risk of mortality from all causes, cardiovascular disease, and cancer than those who drank less tea.

Citations

Citations to this article as recorded by  
  • Molecular mechanisms of action of DIM and its clinical application
    E. A. Nikitina, S. V. Orlova, T. T. Batysheva, N. V. Balashova, M. V. Alekseeva, A. N. Vodolazkaya, E. V. Prokopenko, Kh. A. Magomedova
    Medical alphabet.2024; (19): 9.     CrossRef
Original Articles
Interactions between vitamin B2, the MTRR rs1801394 and MTR rs1805087 genetic polymorphisms, and colorectal cancer risk in a Korean population
Madhawa Gunathilake, Minji Kim, Jeonghee Lee, Jae Hwan Oh, Hee Jin Chang, Dae Kyung Sohn, Aesun Shin, Jeongseon Kim
Epidemiol Health. 2024;46:e2024037.   Published online March 11, 2024
DOI: https://doi.org/10.4178/epih.e2024037
  • 3,215 View
  • 119 Download
  • 1 Web of Science
  • 1 Crossref
AbstractAbstract AbstractSummary PDFSupplementary Material
Abstract
OBJECTIVES
We explored whether the association between vitamin B2 and colorectal cancer (CRC) risk could be modified by the MTRR rs1801394 and MTR rs1805087 genetic polymorphisms and examined whether the interaction effects are sex-specific.
METHODS
We performed a case-control study involving 1,420 CRC patients and 2,840 controls from the Korea National Cancer Center. Dietary vitamin B2 intake was assessed using a semiquantitative food frequency questionnaire, and the association with CRC was evaluated. Genotyping was performed using an Illumina MEGA-Expanded Array. For gene-nutrient interaction analysis, pre-matched (1,081 patients and 2,025 controls) and matched (1,081 patients and 1,081 controls) subsets were included. Unconditional and conditional logistic regression models were used to calculate odds ratios (ORs) and 95% confidence intervals (CIs).
RESULTS
A higher intake of vitamin B2 was associated with a significantly lower CRC risk (OR, 0.65; 95% CI, 0.51 to 0.82; p<0.001). Carriers of at least 1 minor allele of MTRR rs1801394 showed a significantly higher CRC risk (OR, 1.43; 95% CI, 1.12 to 1.83). Males homozygous for the major allele (A) of MTRR rs1801394 and who had a higher intake of vitamin B2 had a significantly lower CRC risk (OR, 0.31; 95% CI, 0.18 to 0.54; p-interaction=0.02). In MTR rs1805087, males homozygous for the major allele (A) and who had a higher vitamin B2 intake had a significantly lower CRC risk (OR, 0.38; 95% CI, 0.25 to 0.60; p-interaction<0.001).
CONCLUSIONS
The MTRR rs1801394 and MTR rs1805087 genetic polymorphisms may modify the association between vitamin B2 and CRC risk, particularly in males. However, further studies are warranted to confirm these interaction results.
Summary
Korean summary
본 연구는 환자-대조군 연구를 통해 비타민 B2 섭취와 대장암 발생의 관련성을 조사하고, 대장암 발생에 있어 methionine synthase (MTRR) rs1801394 및 methionine synthase reductase (MTR) rs1805087의 유전적 다형성과 식이 요인간에 상호작용을 알아보고자 한다. 비타민 B2 의 섭취는 대장암 발생의 위험도를 낮추는 것으로 나타났으며 특히, 남성의 경우 대장암 발생의 위험도가 MTRR rs1801394 및 MTR rs1805087의 유전자형과 식이 섭취에 따른 상호 관련성에 의해 영향을 받는 것으로 나타났다.
Key Message
We conducted a case-control study to observe the association between vitamin B2 intake and the risk of colorectal cancer (CRC), and to determine whether this association could be modified by the methionine synthase (MTRR) rs1801394 and methionine synthase reductase (MTR) rs1805087 genetic polymorphisms. Higher intake of vitamin B2 is a protective factor in lowering CRC risk, and rs1801394 of MTRR and rs1805087 of MTR may particularly modify this association in males.

Citations

Citations to this article as recorded by  
  • Genetic variants in folate metabolism-related genes, serum folate and hepatocellular carcinoma survival: the Guangdong Liver Cancer Cohort study
    Yunshan Li, Jing Shu, Peishan Tan, Xiaocong Dong, Mingjie Zhang, Tongtong He, Zhijun Yang, Xuehong Zhang, Edward L. Giovannucci, Zhaoyan Liu, Zhongguo Zhou, Qijiong Li, Yanjun Xu, Xiaojun Xu, Tianyou Peng, Jialin Lu, Yaojun Zhang, Huilian Zhu, Aiping Fang
    British Journal of Nutrition.2024; : 1.     CrossRef
Influence of practice location on prescribing, diabetes care, and colorectal cancer screening among Czech general practitioners during the COVID-19 pandemic
Jan Bělobrádek, Luděk Šídlo, Tom Philipp
Epidemiol Health. 2024;46:e2024033.   Published online February 23, 2024
DOI: https://doi.org/10.4178/epih.e2024033
  • 4,740 View
  • 103 Download
AbstractAbstract AbstractSummary PDFSupplementary Material
Abstract
OBJECTIVES
The provision of primary health care was not interrupted during the coronavirus disease 2019 (COVID-19) pandemic in Czechia, although the capacity and resources of providers changed. We examined how the pandemic affected individual general practices throughout 2017-2021, focusing on differences between urban and rural practices.
METHODS
We analysed data from the largest health insurance company in Czechia, which provides care to 4.5 million people (60% of the population). We evaluated the prescription volume, diabetes care procedures, and faecal immunochemical test (FIT) in preventive care and new pandemic-related procedures (remote consultations, testing, and vaccinations). For the spatial distribution of practices, we adapted the Organisation for Economic Cooperation and Development typology.
RESULTS
We observed minimal declines in 2020 in the rate of prescribing (-1.0%) and diabetes care (-5.1%), with a rapid resumption in 2021, but a substantial decline in FIT (-17.8% in 2020) with slow resumption. Remote consultations were used by 94% of all practices regardless of location, with testing and vaccinations more commonly performed by rural general practitioners (GPs).
CONCLUSIONS
Primary care in Czechia rose to the challenge of the COVID-19 pandemic, as shown by the finding that the volume of healthcare services provided through primary care did not decrease across most of the monitored parameters. This study also confirmed that rural GPs provide more care in-house, both in terms of prescribing and procedures performed in their practices. Future studies will need to focus on preventive care, which the pandemic has dampened in GP practices in Czechia.
Summary
Key Message
Primary care in Czechia has effectively adapted to the changes brought about by the COVID-19 pandemic. Minimal impact was observed in prescribtions and diabetic patient care. There was a significant decline in colorectal cancer screening, with a slow restitution after the pandemic subsided. Rural GPs consistently provided in-house treatment and have higher shares of both prescribing and diabetes care, as well as performing more COVID-19 specific procedures.
Adherence to the American Cancer Society guidelines on nutrition and physical activity for cancer survivors and biomarkers of inflammation among breast cancer survivors
Minji Kang, Sihan Song, Hyun Jeong Cho, Zisun Kim, Hyun Jo Youn, Jihyoung Cho, Jun Won Min, Yoo Seok Kim, Sang-Woon Choi, Jung Eun Lee
Epidemiol Health. 2024;46:e2024026.   Published online January 25, 2024
DOI: https://doi.org/10.4178/epih.e2024026
  • 4,116 View
  • 167 Download
AbstractAbstract AbstractSummary PDFSupplementary Material
Abstract
OBJECTIVES
This study investigated whether adherence to the overall lifestyle recommendations in the American Cancer Society (ACS) guidelines on nutrition and physical activity for cancer survivors was associated with inflammation in breast cancer survivors.
METHODS
The study included 409 women who had undergone breast cancer surgery at least 1 year before enrollment. A generalized linear model was used to estimate the least square means and 95% confidence intervals of plasma levels of inflammatory markers according to lifestyle factors defined in terms of adherence to the ACS guidelines.
RESULTS
Higher overall adherence scores were associated with lower levels of high-sensitivity C-reactive protein (hs-CRP) (p for trend=0.015) and higher levels of adiponectin (p for trend=0.009). Similar significant associations of hs-CRP (p for trend= 0.004) and adiponectin (p for trend=0.010) levels were observed with the score for the body mass index (BMI) component of the adherence score. A higher diet component score was associated with a higher adiponectin level (p for trend=0.020), but there was no significant association for the physical activity component score.
CONCLUSIONS
The present study’s findings suggest that maintaining a healthy lifestyle according to the ACS guidelines was associated with beneficial effects on inflammatory marker levels, especially hs-CRP and adiponectin, among breast cancer survivors. Among the 3 components of lifestyle guidelines, the BMI component exhibited the most similar tendency to the overall adherence score in relation to inflammatory indicators. Further prospective and intervention studies are needed to investigate longitudinal associations between lifestyle factors and inflammatory markers among breast cancer survivors.
Summary
Korean summary
- 한국인 유방암 생존자를 대상으로 한 연구에서, 암 생존자를 위한 영양 및 신체 활동에 관한 미국암협회 (American Cancer Society, ACS) 지침을 따라 건강한 생활 습관을 유지하는 것이 혈중 염증 마커 수준, 특히 낮은 hs-CRP와 높은 adiponectin 수준과 관련이 있었습니다.
- 체질량지수 (Body Mass Index, BMI)를 적절한 수준 (18.5-23 kg/m²)으로 유지하는 것은 낮은 hs- CRP 수준과 높은 adiponectin 수준과 관련이 있는 것으로 나타났습니다.
- 또한, 과일, 야채 및 통곡물이 풍부하고 적색육 및 가공육을 적게 섭취하는 건강한 식단은 혈중 adiponectin 수치가 높은 것과 관련이 있었습니다.
Key Message
• Maintaining a healthy lifestyle according to the American Cancer Society (ACS) Guidelines on Nutrition and Physical Activity for Cancer Survivors was associated with favorable levels of inflammatory markers, especially in hs-CRP and adiponectin among breast cancer survivors.
• Maintaining an adequate BMI of 18.5 to 23 kg/m2 was associated with lower levels of hs-CRP and higher adiponectin levels.
• In addition, a healthy diet — indicating a diet high in fruits, vegetables, and whole grains, and low in red and processed meats — was associated with higher adiponectin levels.
Risk factors for early-onset lung cancer in Korea: analysis of a nationally representative population-based cohort
Jihun Kang, Taeyun Kim, Kyung-Do Han, Jin-Hyung Jung, Su-Min Jeong, Yo Hwan Yeo, Kyuwon Jung, Hyun Lee, Jong Ho Cho, Dong Wook Shin
Epidemiol Health. 2023;45:e2023101.   Published online November 21, 2023
DOI: https://doi.org/10.4178/epih.e2023101
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AbstractAbstract AbstractSummary PDFSupplementary Material
Abstract
OBJECTIVES
We examined the associations of socioeconomic factors, health behaviors, and comorbidities with early-onset lung cancer.
METHODS
The study included 6,794,287 individuals aged 20-39 years who participated in a Korean national health check-up program from 2009 to 2012. During the follow-up period, 4,684 participants developed lung cancer. Multivariable Cox regression analysis was used to estimate the independent associations of potential risk factors with incident lung cancer.
RESULTS
Older age (multivariable hazard ratio [mHR], 1.13; 95% confidence interval [CI], 1.12 to 1.14) and female sex (mHR, 1.62; 95% CI, 1.49 to 1.75) were associated with increased lung cancer risk. Current smoking was also associated with elevated risk (<10 pack-years: mHR, 1.12; 95% CI, 1.01 to 1.24; ≥10 pack-years: mHR, 1.30; 95% CI, 1.18 to 1.45), but past smoking was not. Although mild alcohol consumption (<10 g/day) was associated with lower lung cancer risk (mHR, 0.92; 95% CI, 0.86 to 0.99), heavier alcohol consumption (≥10 g/day) was not. Higher income (highest vs. lowest quartile: mHR, 0.86; 95% CI, 0.78 to 0.94), physical activity for at least 1,500 metabolic equivalent of task-min/wk (vs. non-exercisers: mHR, 0.83; 95% CI, 0.69 to 0.99) and obesity (vs. normal weight: mHR, 0.89; 95% CI, 0.83 to 0.96) were associated with lower lung cancer risk, whereas metabolic syndrome was associated with increased risk (mHR, 1.13; 95% CI, 1.03 to 1.24).
CONCLUSIONS
In young adults, age, female sex, smoking, and metabolic syndrome were risk factors for early-onset lung cancer, while high income, physical activity, and obesity displayed protective effects.
Summary
Korean summary
나이, 여성, 흡연, 그리고 대사 증후군은 조기 발생 폐암의 위험도 증가와 연관이 있었다. 반면에 높은 소득, 신체 활동, 비만은 젊은 성인에서 폐암 발생의 위험도 감소와 연관성을 나타내었다.
Key Message
Age, female sex, smoking, and metabolic syndrome were risk factors for early-onset lung cancer. While, high income, physical activity, and obesity displayed protective effects on the development of lung cancer in young adults.
Interaction between vitamin E intake and a COMT gene variant on colorectal cancer risk among Korean adults: a case-control study
Shinyoung Jun, Madhawa Gunathilake, Jeonghee Lee, Jae Hwan Oh, Hee Jin Chang, Dae Kyung Sohn, Aesun Shin, Jeongseon Kim
Epidemiol Health. 2023;45:e2023100.   Published online November 14, 2023
DOI: https://doi.org/10.4178/epih.e2023100
  • 4,233 View
  • 131 Download
  • 1 Web of Science
  • 1 Crossref
AbstractAbstract AbstractSummary PDFSupplementary Material
Abstract
OBJECTIVES
Previous human trials have not supported the anticarcinogenic effect of vitamin E despite biological plausibility and considerable epidemiological evidence. A possible explanation for this inconsistency is the interactive effect of the catechol-O-methyltransferase (COMT) gene and supplemental vitamin E on cancer. We examined whether a COMT gene variant modulates the effect of dietary vitamin E intake on colorectal cancer (CRC) risk.
METHODS
In this case-control study of Korean adults (975 cases and 975 age- and sex-matched controls), dietary vitamin E density (mg/1,000 kcal) was measured using a semiquantitative food frequency questionnaire, COMT single nucleotide polymorphism (SNP) rs740603 (A>G) was genotyped, and CRC was verified histologically. We estimated odds ratios (ORs) and 95% confidence intervals (CIs) using unconditional logistic regression models with adjustments for potential confounders.
RESULTS
Higher vitamin E density was associated with a lower risk of CRC (highest vs. lowest quartiles: OR, 0.72; 95% CI, 0.55 to 0.96; p-for-trend=0.002). When stratified by COMT SNP rs740603 genotype, the inverse association between vitamin E density and CRC risk was confined to those with at least 1 A allele (≥median vs. <median: OR, 0.63; 95% CI, 0.51 to 0.78). The interaction between rs740603 and vitamin E density was significant (p-for-interaction=0.020). No direct association was observed between COMT SNP rs740603 and CRC risk (OR, 1.08; 95% CI, 0.83 to 1.41).
CONCLUSIONS
Our findings support a role for a genetic polymorphism in COMT in modifying the association between dietary vitamin E intake and CRC.
Summary
Korean summary
본 연구는 국립암센터에서 수집한 대장암 환자-대조군 자료를 활용하여, catechol-O-methyltransferase (COMT) 유전자의 단일염기다형성(SNP)에 따라 비타민 E 섭취와 대장암 위험 간의 연관성이 달라지는지 파악하고자 하였다. 분석 결과, COMT SNP rs740603의 유전자형에 따라 식이를 통한 비타민 E 섭취 밀도와 대장암 위험 간의 연관성이 다르게 나타나 COMT 유전자와 비타민 E 섭취 간의 상호작용이 대장암 발생 위험에 영향을 미칠 가능성이 있음을 제시하였다.
Key Message
In this case-control study of Korean adults, we examined whether a polymorphism in the catechol-O-methyltransferase (COMT) gene modulates the effect of dietary vitamin E intake on colorectal cancer risk. Our results suggest that the inverse association between vitamin E density and colorectal cancer risk is confined to carriers of the COMT rs740603 A allele. The findings of our study support the interactive effect of the COMT gene and vitamin E intake on colorectal cancer risk.

Citations

Citations to this article as recorded by  
  • The Role of Dietary Vitamins and Antioxidants in Preventing Colorectal Cancer: A Systematic Review
    Mohammed Ajebli, Christopher R Meretsky, Mourad Akdad, Ayoub Amssayef, Morad Hebi
    Cureus.2024;[Epub]     CrossRef
Socioeconomic inequality in organized and opportunistic screening for colorectal cancer: results from the Korean National Cancer Screening Survey, 2009-2021
Xuan Quy Luu, Kyeongmin Lee, Jae Kwan Jun, Mina Suh, Kui Son Choi
Epidemiol Health. 2023;45:e2023086.   Published online September 17, 2023
DOI: https://doi.org/10.4178/epih.e2023086
  • 7,283 View
  • 150 Download
  • 2 Crossref
AbstractAbstract AbstractSummary PDFSupplementary Material
Abstract
OBJECTIVES
This study aimed to investigate socioeconomic status (SES)-based inequality in colorectal cancer (CRC) screening in Korea. We assessed whether the rates of opportunistic and organized CRC screening differed according to income and education levels.
METHODS
We analyzed data from the Korean National Cancer Screening Survey of 27,654 cancer-free individuals, aged 50-74 years, from 2009 to 2021. The weighted cancer screening rates with trends were estimated with the average annual percentage change using joinpoint regression. Inequality was calculated in both relative and absolute terms, based on a Poisson regression model.
RESULTS
The organized screening rate increased significantly from 22.1% in 2009 to 53.1% in 2020 and 50.6% in 2021, with an average annual change of 8.6% (95% confidence interval [CI], 4.9 to 12.5). In contrast, no significant trend was observed for opportunistic screening. The SES inequality in opportunistic screening uptake was indicated by a slope index of inequality (SII) of 9.74% (95% CI, 6.36 to 13.12), relative index of inequality (RII) of 2.18 (95% CI, 1.75 to 2.70) in terms of education level; and an SII of 7.03% (95% CI, 4.09 to 9.98), RII of 1.81 (95% CI, 1.41 to 2.31) in terms of measured income. Although there was an increasing trend in income inequality, no significant SES inequalities were observed in the overall estimates for organized screening.
CONCLUSIONS
Organized CRC screening is effective in improving the participation rate, regardless of SES. However, significant inequalities were found in opportunistic screening, suggesting room for improvement in the overall equity of CRC screening.
Summary
Korean summary
이번 연구는 한국의 대장암 검진에서 사회경제적 수준에 따른 불평등이 있는지를 분석했다. 국가암검진사업 도입 이래로 2009-2021년 연구기간 동안 공공검진을 통한 대장암 수검률은 지속적으로 증가한 반면, 개인검진의 증가는 관찰되지 않았다. 특히 공공 검진의 경우 소득이나 교육수준에 따른 수검률에 차이는 없는 반면, 개인검진에서는 상당한불평등이 관찰되었다.
Key Message
"The study investigated socioeconomic status (SES)-based inequality in colorectal cancer (CRC) screening in Korea. We found that the introduction of the National Cancer Screening Program for CRC effectively increased the participation rate, regardless of the SES of the individuals throughout the study period. However, significant inequalities were observed in opportunistic screening related to education and income."

Citations

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  • Health screening disparities in people living with HIV; A nationwide organized screening setting
    Boyoung Park, Yoonyoung Jang, Taehwa Kim, Yunsu Choi, Kyoung Hwan Ahn, Jung Ho Kim, Hye Seong, Youn Jeong Kim, Jun Yong Choi, Joon Young Song, Shin-Woo Kim, Sang Il Kim
    Journal of Infection and Public Health.2024; 17(12): 102567.     CrossRef
  • Disparities in Cancer Incidence across Income Levels in South Korea
    Su-Min Jeong, Kyu-Won Jung, Juwon Park, Nayeon Kim, Dong Wook Shin, Mina Suh
    Cancers.2023; 15(24): 5898.     CrossRef
Adherence to the World Cancer Research Fund/American Institute for Cancer Research and Korean Cancer Prevention Guidelines and cancer risk: a prospective cohort study from the Health Examinees-Gem study
Jeeyoo Lee, Aesun Shin, Woo-Kyoung Shin, Ji-Yeob Choi, Daehee Kang, Jong-Koo Lee
Epidemiol Health. 2023;45:e2023070.   Published online August 1, 2023
DOI: https://doi.org/10.4178/epih.e2023070
  • 6,868 View
  • 210 Download
  • 1 Web of Science
  • 2 Crossref
AbstractAbstract AbstractSummary PDFSupplementary Material
Abstract
OBJECTIVES
The purpose of this study was to explore the association between adherence to 2 cancer prevention recommendations and cancer risk.
METHODS
In total, 104,386 individuals aged 40-69 years old who were recruited between 2004 and 2013 in the Health Examinees-Gem study were included. Adherence scores were constructed based on 8 items from the World Cancer Research Fund/American Institute for Cancer Research (WCRF/AICR) cancer prevention recommendations, including body weight, physical activity, diet, alcohol consumption and breastfeeding, and on 6 items from the Korean cancer prevention guidelines (smoking status, eating vegetables and fruits, salty foods, alcohol intake, physical activity, and body weight). A Cox proportional hazards model was used to estimate the associations between adherence scores and the risk of total and 5 major cancers.
RESULTS
The multivariable hazard ratio (HR) for total cancer with the high adherence score versus the lowest score (4.25-7.00 vs. 0.00-3.25) for the WCRF/AICR guidelines was 0.91 (95% confidence interval [CI], 0.82 to 1.00) in men. A reduced breast cancer risk was observed among women with the highest score. Men within the highest category of the Korean cancer prevention guideline score (3.25-6.00) had an HR of 0.80 (95% CI, 0.73 to 0.88) for developing total cancer compared to men within the lowest score (0.00-2.50). The higher adherence group among men showed lower risks of developing stomach, colorectal, and lung cancers.
CONCLUSIONS
Adhering to guidelines for cancer prevention can help to reduce the risk of developing cancer in Korean men. The association might differ by cancer type and gender.
Summary
Korean summary
- 암예방 가이드라인 준수가 실제로 암 발생을 예방하는지에 대한 해외 연구들이 다수 있으나 한국을 포함한 아시아 국가에서 수행된 연구는 없다. - 국제암연구재단 암예방수칙과 한국 암예방수칙을 준수하는 한국인 남성에서 암 발생 감소가 관찰되었다. 이러한 관련성은 암종에 따라 다르게 나타났다.
Key Message
- The adherence to the World Cancer Research Fund/American Institute of Cancer Research (WCRF/AICR) guidelines on cancer prevention has been addressed in several studies in Western countries. -Among the Korean population, adherence to WCRF/AICR cancer prevention guidelines as well as the Korean cancer prevention guidelines helps prevent cancer in men. Association varies by gender and type of cancer.

Citations

Citations to this article as recorded by  
  • Compliance with the WCRF/AICR Recommendations in Qualitative Adaptation and the Occurrence of Breast Cancer: A Case-Control Study
    Beata Stasiewicz, Lidia Wadolowska, Maciej Biernacki, Malgorzata Anna Slowinska, Ewa Stachowska
    Cancers.2024; 16(2): 468.     CrossRef
  • Transforming public health and economic outcomes by reducing risky behaviors: the potential for South Korea
    Joan E. Madia, Ji Yoon Baek, Aesun Shin
    Discover Social Science and Health.2024;[Epub]     CrossRef
Changes in metabolic syndrome and the risk of breast and endometrial cancer according to menopause in Korean women
Thi Xuan Mai Tran, Soyeoun Kim, Boyoung Park
Epidemiol Health. 2023;45:e2023049.   Published online May 1, 2023
DOI: https://doi.org/10.4178/epih.e2023049
  • 7,179 View
  • 157 Download
  • 2 Web of Science
  • 3 Crossref
AbstractAbstract AbstractSummary PDFSupplementary Material
Abstract
OBJECTIVES
This study investigated how changes in metabolic syndrome (MetS) are associated with the subsequent risk of breast and endometrial cancer according to menopausal status.
METHODS
This cohort study, using data from the National Health Insurance Service database, included women aged ≥40 years who underwent 2 biennial cancer screenings (2009-2010 and 2011-2012) and were followed up until 2020. Participants were grouped into MetS-free, MetS-recovery, MetS-development, and MetS-persistent groups. Menopausal status (premenopausal, perimenopausal, and postmenopausal) was assessed at 2 screenings. Cox proportional hazard regression was used to assess the association between MetS changes and cancer risk.
RESULTS
In 3,031,980 women, breast and endometrial cancers were detected in 39,184 and 4,298, respectively. Compared with the MetS-free group, those who recovered, developed, or had persistent MetS showed an increased risk of breast cancer, with adjusted hazard ratios (aHRs) of 1.05, 1.05, and 1.11, respectively (p<0.005). MetS persistence was associated with an increased risk of breast cancer in postmenopausal women (aHR, 1.12, 95% confidence interval [CI], 1.08 to 1.16) but not in premenopausal or perimenopausal women. MetS persistence was associated with an increased risk of endometrial cancer in premenopausal, perimenopausal, and postmenopausal women, with aHRs of 1.41 (95% CI, 1.17 to 1.70), 1.59 (95% CI, 1.19 to 2.12), and 1.47 (95% CI, 1.32 to 1.63), respectively.
CONCLUSIONS
Increased breast cancer risk was associated with recovered, developed, and persistent MetS in postmenopausal women. Meanwhile, increased endometrial cancer risk was found in obese women who recovered from MetS or persistently had MetS, regardless of menopausal status, when compared to MetS-free women.
Summary
Korean summary
- 폐경후 여성에서 대사증후군이 회복되었거나, 지속적으로 대사증후군을 앓고 있거나, 대사증후군이 발병한 여성은 유방암 위험과 관련이 있었습니다. - 한편, 폐경 상태와 관계없이 대사증후군에서 회복되었거나 지속적으로 대사증후군를 앓고 있는 비만 여성은 대사증후군이 없는 여성에 비해 자궁내막암 위험이 증가하는 것으로 나타났습니다.
Key Message
- Increased breast cancer risk was associated with recovered, developed, and persistent MetS in postmenopausal women. - Increased endometrial cancer risk was found in obese women who recovered from MetS or persistently had MetS, regardless of menopausal status, when compared to MetS-free women.

Citations

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  • Metabolic Syndrome and Survival Outcomes in Endometrial Cancer
    Alina-Gabriela Marin, Alexandru Filipescu, Radu Vladareanu, Aida Petca
    Cureus.2024;[Epub]     CrossRef
  • Melatonin, BAG-1 and cortisol circadian interactions in tumor pathogenesis and patterned immune responses
    George Anderson
    Exploration of Targeted Anti-tumor Therapy.2023; : 962.     CrossRef
  • Changed Endocrinology in Postmenopausal Women: A Comprehensive View
    Vidhi Motlani, Gunjan Motlani, Soumya Pamnani, Akshat Sahu, Neema Acharya
    Cureus.2023;[Epub]     CrossRef
Cohort Profile
Integrated database-based Screening Cohort for Asian Nomadic descendants in China (Scan-China): Insights on prospective ethnicity-focused cancer screening
Yuelin Yu, Liying Qiao, Jing Han, Weiwei Wang, Weiwei Kang, Yunjing Zhang, Shu Shang, Ruogu Meng, Lin Zhuo, Siyan Zhan, Yunfeng Xi, Shengfeng Wang
Epidemiol Health. 2023;45:e2023048.   Published online April 18, 2023
DOI: https://doi.org/10.4178/epih.e2023048
  • 5,296 View
  • 94 Download
  • 1 Web of Science
  • 1 Crossref
AbstractAbstract AbstractSummary PDFSupplementary Material
Abstract
Established in 2017, the Screening Cohort for Asian Nomadic descendants in China (Scan-China) has benefited over 180,000 members of a multi-ethnic population, particularly individuals of Mongolian descent compared with the general population (Han ethnicity), in the Inner Mongolia Autonomous Region, China. This cohort study aims to evaluate the effectiveness of cancer screening and serve as a real-world data platform for cancer studies. The 6 most prevalent cancers in China are considered—namely, breast, lung, colorectal, gastric, liver and esophageal cancer. After baseline cancer risk assessments and screening tests, both active and passive follow-up (based on the healthcare insurance database, cancer registry, the front page of hospital medical records, and death certificates) will be conducted to trace participants’ onset and progression of cancers and other prevalent chronic diseases. Scan-China has preliminarily found a disproportionately lower screening participation rate and higher incidence/mortality rates of esophageal and breast cancer among the Mongolian population than among their Han counterparts. Further research will explore the cancer burden, natural history, treatment patterns, and risk factors of the target cancers.
Summary
Key Message
- Scan-China is the first and largest electronic health data (EHD)-integrated cancer screening program for the Mongolian ethnicity in Inner Mongolia. - Scan-China aims to evaluate the effectiveness of screening interventions, particularly on ethnic minorities, portray the natural history, explore risk factors and summarize treatment patterns and updated outcomes of prevalent tumors/other chronic diseases. - Scan-China database comprises baseline cancer risk assessment, screening tests results, active follow-up investigation for participants at high risk and EHD-integrated passive follow-up. Data sources for passive follow-up include healthcare insurance database, cancer registry, front page of hospital medical record and death certificates.

Citations

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  • Higher disease burden and lower utilization in mongolian with breast cancer: a 9-year retrospective cohort study of 18.19 million adults in China
    Jieying Chen, Liying Qiao, Meng Qi, Yunjing Zhang, Ying Yan, Weiwei Kang, Huziwei Zhou, Yuelin Yu, Yalei Ke, Yuling Jiang, Yingting Rao, Lu Xu, Guohua He, Jing Ren, Xue Yan, Siwei Deng, Xinyu Yang, Yutong Song, Yingzi Yang, Qiaorui Wen, Jing Han, Yiwei Wu
    International Journal of Surgery.2024;[Epub]     CrossRef
Original Articles
Risk of cancer, cardiovascular disease, thromboembolism, and mortality in patients with rheumatoid arthritis receiving Janus kinase inhibitors: a real-world retrospective observational study using Korean health insurance data
Hong Ki Min, Hyeongsu Kim, Ho Jin Jeong, Se Hee Kim, Hae-Rim Kim, Sang-Heon Lee, KunSei Lee, Soon-Ae Shin, Jong Heon Park
Epidemiol Health. 2023;45:e2023045.   Published online April 15, 2023
DOI: https://doi.org/10.4178/epih.e2023045
  • 8,379 View
  • 328 Download
  • 7 Web of Science
  • 6 Crossref
AbstractAbstract AbstractSummary PDFSupplementary Material
Abstract
OBJECTIVES
This study investigated whether Janus kinase inhibitors (JAKis) raise the risk of cardiovascular disease (CVD), venous thromboembolism (VTE), and cancer in patients with rheumatoid arthritis (RA).
METHODS
We conducted a real-world retrospective observational study using data obtained from the Korean National Health Insurance Service database. Two data sets were analyzed: tumor necrosis factor inhibitor (TNFi)/JAKi-naive RA patients (set 1) and all RA patients who used TNFis or JAKis (set 2). The incidence rate ratios (IRRs) and hazard ratios (HRs) for acute myocardial infarction (AMI), stroke, cardiovascular (CV)-related mortality, major adverse cardiovascular events (MACE), VTE, arterial thromboembolism (ATE), cancer, and all-cause mortality were compared between the JAKi and TNFi groups.
RESULTS
Set 1 included 1,596 RA patients (JAKi group: 645; TNFi group: 951), and set 2 included 11,765 RA patients (JAKi group: 2,498; TNFi group: 9,267). No adverse events (AEs) showed significantly higher IRRs in the JAKi groups than in the TNFi groups of sets 1 and 2. The HRs for MACE in the JAKi groups of sets 1 and 2 were 0.59 (95% confidence [CI], 0.35 to 0.99) and 0.80 (95% CI, 0.67 to 0.97), respectively. The JAKi group of set 2 showed a significantly higher risk of all-cause mortality (HR, 1.71; 95% CI, 1.32 to 2.20), but the other AEs did not demonstrate increased risks in the JAKi groups.
CONCLUSIONS
In this study, JAKis did not increase the risk of AMI, stroke, CV-related mortality, MACE, VTE, ATE, or cancer in Korean RA patients relative to TNFis.
Summary
Korean summary
1. 한국인 류마티스관절염 환자를 대상으로 한 실제임상자료 결과, JAK 억제제가 종양괴사인자 억제제에 비해 심혈관질환, 혈전증, 암 등의 심각한 부작용을 증가시키지는 않았다. 2. 본 연구를 토대로 한국인 대상자에서 JAK 억제제가 심혈관질환 등의 심각한 부작용을 증가시키는지에 대한 재평가가 필요하다.
Key Message
1. The real word-data based results showed that risks of MACE, thromboembolism, and cancers were not increased in Korean RA patients with JAK inhibitor when compared to Korean RA patients with TNF inhibitors. 2. Therefore, the risk of serious adverse events of JAK inhibitors in Korean population should be reconsidered and reassessed before adding black box warning of JAK inhibitors.

Citations

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  • Multicenter evaluation of tofacitinib retention and safety in rheumatoid arthritis – why cardiovascular risk factors do not equate to overt risk
    Anna Felis-Giemza, Mateusz Moskal, Krzysztof Proc, Zbigniew Guzera, Marcin Stajszczyk, Karolina Palej, Kornelia Chmurzyńska, Piotr Wiland, Krzysztof Batko, Bogdan Batko
    Rheumatology.2024; 61(6): 414.     CrossRef
  • Biologics Versus JAK Inhibitors. Part I: Cancer Risk. A Narrative Review
    Miguel Mansilla-Polo, Daniel Morgado-Carrasco
    Dermatology and Therapy.2024; 14(6): 1389.     CrossRef
  • JAK inhibitor selectivity: new opportunities, better drugs?
    Anniina Virtanen, Francesca Romana Spinelli, Jean Baptiste Telliez, John J. O’Shea, Olli Silvennoinen, Massimo Gadina
    Nature Reviews Rheumatology.2024; 20(10): 649.     CrossRef
  • Safety and Effectiveness of Baricitinib in Chinese Patients with Moderate-to-Severe Rheumatoid Arthritis: 24-Week Results from a Post-Marketing Safety Study
    Chan-yuan Wu, Qian Wang, Jian Shi, Xiu-ying Zhang, Rong Du, Jie-ruo Gu, Qi-huan Liu, Jiao Yu, Jia-wei Xu, Yan-jie Zhang, Hao Zhu, Meng-tao Li, Xiao-feng Zeng
    Rheumatology and Therapy.2023; 10(6): 1609.     CrossRef
  • Comparative cardiovascular safety with janus kinase inhibitors and biological disease-modifying antirheumatic drugs as used in clinical practice: an observational cohort study from Sweden in patients with rheumatoid arthritis
    Hannah Bower, Thomas Frisell, Daniela di Giuseppe, Benedicte Delcoigne, Johan Askling
    RMD Open.2023; 9(4): e003630.     CrossRef
  • Are JAKis more effective among elderly patients with RA, smokers and those with higher cardiovascular risk? A comparative effectiveness study of b/tsDMARDs in Sweden
    Hannah Bower, Thomas Frisell, Daniela di Giuseppe, Benedicte Delcoigne, Ulf Lindström, Carl Turesson, Katerina Chatzidionysiou, Elisabet Lindqvist, Ann Knight, Helena Forsblad-d'Elia, Johan Askling
    RMD Open.2023; 9(4): e003648.     CrossRef
Disease burden of prostate cancer from 2014 to 2019 in the United States: estimation from the Global Burden of Disease Study 2019 and Medical Expenditure Panel Survey
Shen Lin, Dong Lin, Yiyuan Li, Lixian Zhong, Wei Zhou, Yajing Wu, Chen Xie, Shaohong Luo, Xiaoting Huang, Xiongwei Xu, Xiuhua Weng
Epidemiol Health. 2023;45:e2023038.   Published online March 21, 2023
DOI: https://doi.org/10.4178/epih.e2023038
  • 57,392 View
  • 114 Download
  • 1 Web of Science
  • 1 Crossref
AbstractAbstract AbstractSummary PDFSupplementary Material
Abstract
OBJECTIVES
The aim of this study was to evaluate the disease burden of prostate cancer (PC) and assess key influencing factors associated with the disease expenditures of PC in the United States.
METHODS
The total deaths, incidence, prevalence, and disability-adjusted life-years of PC were obtained from the Global Burden of Disease Study 2019. The Medical Expenditure Panel Survey was used to estimate healthcare expenditures and productivity loss and to investigate patterns of payment and use of healthcare resources in the United States. A multivariable logistic regression model was conducted to identify key factors influencing expenditures.
RESULTS
For patients aged 50 and older, the burden for all age groups showed a modest increase over the 6-year period. Annual medical expenditures were estimated to range from US$24.8 billion to US$39.2 billion from 2014 to 2019. The annual loss in productivity for patients was approximately US$1,200. The top 3 major components of medical costs were hospital inpatient stays, prescription medicines, and office-based visits. Medicare was the largest source of payments for survivors. In terms of drug consumption, genitourinary tract agents (57.0%) and antineoplastics (18.6%) were the main therapeutic drugs. High medical expenditures were positively associated with age (p=0.005), having private health insurance (p=0.016), more comorbidities, not currently smoking (p=0.001), and patient self-perception of fair/poor health status (p<0.001).
CONCLUSIONS
From 2014 to 2019, the national real-world data of PC revealed that the disease burden in the United States continued to increase, which was partly related to patient characteristics.
Summary
Key Message
This study quantified the disease burden of prostate cancer and showed that the burden is still substantial in the US from 2014-2019. This study explored the patients’ payment sources for healthcare expenditures and identified the top types of healthcare service expenditure for PC survivors. Moreover, this study also assessed key influencing factors for the high healthcare expenditures, which were associated with some demographic characteristics, such as age, having private health insurance, more comorbidities, smoking situation, and patients’ self-perceived health status.

Citations

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  • Identification of circadian clock-related immunological prognostic index and molecular subtypes in prostate cancer
    Lu Che, Dengxiong Li, Jie Wang, Zhouting Tuo, Koo Han Yoo, Dechao Feng, Yun Ou, Ruicheng Wu, Wuran Wei
    Discover Oncology.2024;[Epub]     CrossRef
The associations of tobacco use, sexually transmitted infections, HPV vaccination, and screening with the global incidence of cervical cancer: an ecological time series modeling study
Luyan Zheng, Yushi Lin, Jie Wu, Min Zheng
Epidemiol Health. 2023;45:e2023005.   Published online December 13, 2022
DOI: https://doi.org/10.4178/epih.e2023005
  • 5,833 View
  • 137 Download
  • 1 Web of Science
  • 1 Crossref
AbstractAbstract AbstractSummary PDFSupplementary Material
Abstract
OBJECTIVES
We aimed to quantify the temporal associations between cervical cancer incidence and cervical cancer-related factors and to predict the number of new cervical cancer cases averted under counterfactual scenarios compared to the status quo scenario.
METHODS
We described temporal trends in cervical cancer and associated factors globally from 1990 to 2019. We then used generalized linear mixed models to explore the impact of tobacco use, sexually transmitted infections (STIs), human papillomavirus (HPV) vaccination, and cervical screening on cervical cancer incidence. A counterfactual analysis was performed to simulate the most effective scenario for reducing cervical cancer incidence.
RESULTS
The worldwide incidence of cervical cancer showed a downward trend over the past 3 decades (estimated annual percentage change, -0.72%), although the incidence remained high (>30 cases per 100,000 persons) in sub-Saharan Africa, Latin America, and the Caribbean. Higher smoking and STI prevalence showed significant direct associations with the incidence of cervical cancer, whereas HPV vaccination and screening coverage showed significant inverse associations. If the strategic goals for accelerating the elimination of cervical cancer and tobacco control programs had been achieved in 2019, the largest decrease in the number of new cervical cancer cases would have been observed, with 54,169 fewer new cases of cervical cancer in 2019.
CONCLUSIONS
Our counterfactual analysis found that a comprehensive intervention program emphasizing scaled-up cervical screening coverage (70%), HPV vaccination coverage (90%), and tobacco control (30% relative reduction) would be the most effective program for reducing cervical cancer incidence.
Summary
Key Message
A comprehensive intervention program emphasizing scaled-up cervical screening coverage (70%), HPV vaccination coverage (90%), and tobacco control (30% relative reduction) would be the most effective program for reducing cervical cancer incidence in our counterfactual analysis.

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  • Analysis of urinary tobacco-specific nitrosamine 4- (methylnitrosamino)1-(3-pyridyl)-1- butanol (NNAL) and HPV infection in American women: National health and nutrition examination survey
    Daiwen Liang, Qi Zhang, Wenyu Li, Youkun Lin, Ashis K. Basu
    PLOS ONE.2024; 19(5): e0304499.     CrossRef
Trends in breast cancer screening rates among Korean women: results from the Korean National Cancer Screening Survey, 2005-2020
Soo Yeon Song, Yun Yeong Lee, Hye Young Shin, Bomi Park, Mina Suh, Kui Son Choi, Jae Kwan Jun
Epidemiol Health. 2022;44:e2022111.   Published online November 24, 2022
DOI: https://doi.org/10.4178/epih.e2022111
  • 5,852 View
  • 164 Download
  • 5 Web of Science
  • 6 Crossref
AbstractAbstract AbstractSummary PDFSupplementary Material
Abstract
OBJECTIVES
Since 2002, the Korean government has provided breast cancer screening as part of the National Cancer Screening Program. This study reported trends in the screening rate among Korean women from 2005 to 2020, including organized and opportunistic screening for breast cancer.
METHODS
Data from the Korean National Cancer Screening Survey, an annual cross-sectional nationwide survey, were collected using a structured questionnaire between 2005 and 2020. The study population included 23,702 women aged 40-74 years with no history of cancer. We estimated the screening rate based on the current recommendation of biennial mammographic screening for breast cancer. In addition, a joinpoint trend analysis was performed for breast cancer screening rates among various subgroups.
RESULTS
In 2020, the breast cancer screening rate was 63.5%, reflecting an annual increase of 7.72% (95% confidence interval 5.53 to 9.95) between 2005 and 2012, followed by non-significant trends thereafter. In particular, a significant decrease in the breast cancer screening rate was observed in the subgroups aged 50-59 years old, with 12-15 years of education, and living in rural areas.
CONCLUSIONS
Although there has been substantial improvement in breast cancer screening rates in Korean women, the trend has flattened in recent years. Therefore, continual efforts are required to identify subgroups with unmet needs and solve barriers to the uptake of breast cancer screening.
Summary
Korean summary
본 연구는 2005년에서 2020년까지 암검진수검행태조사 자료를 이용하여 40세 이상의 우리나라 여성의 유방암 검진 수검률이 추이에 대해 분석하였다. 우리나라 유방암 검진 수검률은 2020년 현재 63.5%이다. 하지만 지속적으로 증가하던 유방암 검진 수검률의 추이는 2012년 이후 정체되어 있으며 일부 사회경제적 계층에서는 감소하는 경향을 보였다.
Key Message
In Korea, despite of the high level of breast cancer screening rate, decreasing trends in some socioeconomic classes after 2012. Continual efforts are required to identify subgroup with unmet needs and barriers to the uptake of breast cancer screening.

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  • Current and future burden of breast cancer in Asia: A GLOBOCAN data analysis for 2022 and 2050
    Mengxia Fu, Zhiming Peng, Min Wu, Dapeng Lv, Yanping Li, Shuzhen Lyu
    The Breast.2025; 79: 103835.     CrossRef
  • Exploring age-standardized cancer incidence rates and regional disparities: A retrospective cohort study of 8 major cancers in South Korea
    Dagyeong Lee, Hye-won Yun, Nayeon Kim, Juwon Park, Kyu-won Jung, Mina Suh, Dong Wook Shin
    Cancer Epidemiology.2024; 91: 102594.     CrossRef
  • A cross-national investigation of CT, MRI, PET, mammography, and radiation therapy resources and utilization
    Takahiro Aoyama, Yutaro Koide, Hidetoshi Shimizu, Atsushi Urikura, Tomoki Kitagawa, Shingo Hashimoto, Hiroyuki Tachibana, Takeshi Kodaira
    Japanese Journal of Radiology.2024;[Epub]     CrossRef
  • Contrasting income-based inequalities in incidence and mortality of breast cancer in South Korea, 2006–2015
    Jinwook Bahk, Hee-Yeon Kang, Young-Ho Khang, Kyunghee Jung-Choi
    Epidemiology and Health.2024; : e2024074.     CrossRef
  • Why is the screening rate in lung cancer still low? A seven-country analysis of the factors affecting adoption
    Charlotte Poon, Tim Wilsdon, Iqra Sarwar, Alexander Roediger, Megan Yuan
    Frontiers in Public Health.2023;[Epub]     CrossRef
  • Mammographic Breast Density and Risk of Ovarian Cancer in Korean Women
    Thi Xuan Mai Tran, Soyeoun Kim, Boyoung Park
    Cancer Epidemiology, Biomarkers & Prevention.2023; 32(12): 1690.     CrossRef

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