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Mohammad Mirzaei 2 Articles
Life expectancy of HIV-positive patients after diagnosis in Iran from 1986 to 2016: A retrospective cohort study at national and sub-national levels
Mohammad Mirzaei, Maryam Farhadian, Jalal Poorolajal, Parvin Afasr Kazerooni, Katayoun Tayeri, Younes Mohammadi
Epidemiol Health. 2018;40:e2018053.   Published online November 7, 2018
DOI: https://doi.org/10.4178/epih.e2018053
  • 7,320 View
  • 158 Download
  • 2 Citations
AbstractAbstract PDF
Abstract
OBJECTIVES
Little is known about the life expectancy of individuals with human immunodeficiency virus (HIV) in Iran. This study therefore aimed to estimate the life expectancy of HIV-positive patients in Iran.
METHODS
In this retrospective cohort study, we extracted data from the Center for Disease Control and Prevention of the Ministry of Health and Medical Education and the Death Registration System. We included patients aged 20 years and older who had a specified date of diagnosis. We estimated life expectancy and its 95% confidence intervals (CIs) using Chiang’s methodology.
RESULTS
The overall life expectancy at the national level was 23.1 years (95% CI, 22.6 to 23.5). Life expectancy was 21.6 years (95% CI, 21.1 to 22.0) for men and 32.7 years (95% CI, 31.4 to 34.0) for women. The life expectancy of patients who did or did not receive antiretroviral therapy (ART) was 37.0 years (95% CI, 36.2 to 37.8) and 15.5 years (95% CI, 15.1 to 15.9), respectively. The life expectancy of patients with or without tuberculosis (TB) was 21.6 years (95% CI, 20.4 to 22.9) and 36.5 years (95% CI, 35.7 to 37.4), respectively.
CONCLUSIONS
The life expectancy of Iranian HIV-positive patients was found to be very low. To improve their longevity, improvements in ART coverage and the control and treatment of TB are advised.
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  • Factors related to baseline CD4 cell counts in HIV/AIDS patients: comparison of poisson, generalized poisson and negative binomial regression models
    Maryam Farhadian, Younes Mohammadi, Mohammad Mirzaei, Nasrin Shirmohammadi-Khorram
    BMC Research Notes.2021;[Epub]     CrossRef
  • Experiences of patients with primary HIV diagnosis in Kermanshah-Iran regarding the nature of HIV/AIDS: A qualitative study
    Fatemeh Gh.Barkish, Rostam Jalali, Amir Jalali
    Heliyon.2019; 5(8): e02278.     CrossRef
Estimation of the Frequency of Intravenous Drug Users in Hamadan City, Iran, Using the Capture-recapture Method
Salman Khazaei, Jalal Poorolajal, Hossein Mahjub, Nader Esmailnasab, Mohammad Mirzaei
Epidemiol Health. 2012;34:e2012006.   Published online October 31, 2012
DOI: https://doi.org/10.4178/epih/e2012006
  • 12,073 View
  • 100 Download
  • 6 Citations
AbstractAbstract PDF
Abstract
OBJECTIVES

The number of illicit drug users is prone to underestimation. This study aimed to use the capture-recapture method as a statistical procedure for measuring the prevalence of intravenous drug users (IDUs) by estimating the number of unknown IDUs not registered by any of the registry centers.

METHODS

This study was conducted in Hamadan City, the west of Iran, in 2012. Three incomplete data sources of IDUs, with partial overlapping data, were assessed including: (a) Volunteer Counseling and Testing Centers (VCTCs); (b) Drop in Centers (DICs); and (c) Outreach Teams (ORTs). A log-linear model was applied for the analysis of three-sample capture-recapture results. Two information criteria were used for model selection including Akaike's Information Criterion and the Bayesian Information Criterion.

RESULTS

Out of 1,478 IDUs registered by three centers, 48% were identified by VCTCs, 32% by DICs, and 20% by ORTs. After exclusion of duplicates, 1,369 IDUs remained. According to our findings, there were 9,964 (95% CI, 6,088 to 17,636) IDUs not identified by any of the centers. Hence, the real number of IDUs is expected to be 11,333. Based on these findings, the overall completeness of the three data sources was around 12% (95% CI, 7% to 18%).

CONCLUSION

There was a considerable number of IDUs not identified by any of the centers. Although the capture-recapture method is a useful and practical approach for estimating unknown populations, due to the assumptions and limitations of the method, the results must be interpreted with caution.

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  • The prevalence of opioid use disorder in Kentucky’s counties: A two-year multi-sample capture-recapture analysis
    Katherine Thompson, Joshua A. Barocas, Chris Delcher, Jungjun Bae, Lindsey Hammerslag, Jianing Wang, Redonna Chandler, Jennifer Villani, Sharon Walsh, Jeffery Talbert
    Drug and Alcohol Dependence.2023; 242: 109710.     CrossRef
  • Estimating the Population Size of Female Sex Worker Population in Tehran, Iran: Application of Direct Capture–Recapture Method
    Manoochehr Karami, Salman Khazaei, Jalal Poorolajal, Alireza Soltanian, Mansour Sajadipoor
    AIDS and Behavior.2017; 21(8): 2394.     CrossRef
  • Using the capture-recapture method to estimate the human immunodeficiency virus-positive population
    Jalal Poorolajal, Younes Mohammadi, Farzad Farzinara
    Epidemiology and Health.2017; 39: e2017042.     CrossRef
  • Estimation of perinatal mortality rate for institutional births in Rajasthan state, India, using capture-recapture technique
    P. K. Mony, B. Varghese, T. Thomas
    BMJ Open.2015; 5(3): e005966.     CrossRef
  • Estimating the size of the population of persons who inject drugs in the island of Montréal, Canada, using a six-source capture–recapture model
    Pascale Leclerc, Alain C. Vandal, Aïssatou Fall, Julie Bruneau, Élise Roy, Suzanne Brissette, Chris Archibald, Nelson Arruda, Carole Morissette
    Drug and Alcohol Dependence.2014; 142: 174.     CrossRef
  • Heterogeneity and behavioral response in continuous time capture–recapture, with application to street cannabis use in Italy
    Alessio Farcomeni, Daria Scacciatelli
    The Annals of Applied Statistics.2013;[Epub]     CrossRef

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