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Risk factors for maternal mortality in the west of Iran: a nested case-control study
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Jalal Poorolajal, Behnaz Alafchi, Roya Najafi Vosoogh, Sahar Hamzeh, Masoomeh Ghahramani
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Epidemiol Health. 2014;36:e2014028. Published online November 8, 2014
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DOI: https://doi.org/10.4178/epih/e2014028
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Abstract
OBJECTIVES
With a gradual decline in maternal mortality in recent years in Iran, this study was conducted to identify the remaining risk factors for maternal death.
METHODS This 8-year nested case-control study was conducted in Hamadan Province, in the west of Iran, from April 2006 to March 2014. It included 185 women (37 cases and 148 controls). All maternal deaths that occurred during the study period were considered cases. For every case, four women with a live birth were selected as controls from the same area and date. Conditional logistic regression analysis was performed and the odds ratio (OR) and its 95% confidence interval (CI) were obtained for each risk factor.
RESULTS The majority of cases were aged 20-34 years, died in hospital, and lived in urban areas. The most common causes of death were bleeding, systemic disease, infection, and pre-eclampsia. The OR estimate of maternal death was 8.48 (95% CI=1.26-56.99) for advanced maternal age (≥35 years); 2.10 (95% CI=0.07-65.43) for underweight and 10.99 (95% CI=1.65-73.22) for overweight or obese women compared to those with normal weight; 1.56 (95% CI=1.08-2.25) for every unit increase in gravidity compared to those with one gravidity; 1.73 (95% CI=0.34-8.88) for preterm labors compared to term labors; and 17.54 (95% CI= 2.71-113.42) for women with systemic diseases.
CONCLUSIONS According to our results, advanced maternal age, abnormal body mass index, multiple gravidity, preterm labor, and systemic disease were the main risk factors for maternal death. However, more evidence based on large cohort studies in different settings is required to confirm our results.
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Summary
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Citations
Citations to this article as recorded by  - A retrospective descriptive study of NANDA‐I nursing diagnoses used by midwives working in obstetrics and gynecologic service: An example from south‐eastern Turkey
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International Journal of Nursing Knowledge.2024; 35(2): 163. CrossRef - Epidemiological and Maternal Features of Maternal Mortality in the West
of Iran: Hamadan, 2011-2019
Azam Ali Shirzad, Ebrahim Jalili , Fatemeh Shahbazi, Hasan Bahrami, Salman Khazaei, Samereh Ghelichkhani
Current Women s Health Reviews.2022;[Epub] CrossRef - A systematic review of individual and ecological determinants of maternal mortality in the world based on the income level of countries
Maryam Tajvar, Alireza Hajizadeh, Rostam Zalvand
BMC Public Health.2022;[Epub] CrossRef - Determinants and causes of maternal mortality in Iran based on ICD-MM: a systematic review
Rostam Zalvand, Maryam Tajvar, Abolghasem Pourreza, Hadi Asheghi
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