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Pooled estimate of vitamin D deficiency among pregnant women in India: a systematic review and meta-analysis

作者:Jeyakumar, A.; Shinde, V.; Ravindran, R.

关键词:Vitamin D deficiency;Pregnant women;Systematic review;Meta-analysis

发表时间:2021

发表期刊:JOURNAL OF HEALTH POPULATION AND NUTRITION

证据类型:系统评价/Meta分析

Background Vitamin D deficiency among pregnant women is a public health concern globally. In India, individual studies report high prevalence. However, lack of national data masks the true burden. This work determined the pooled prevalence of vitamin D deficiency among pregnant women in India through a systematic review of literature and meta-analysis. Methods Three different search engines yielded 15 eligible articles. Study quality was assessed by 10 different criteria and summary of study quality was categorized as per Cochrane standards. Meta-analysis was performed to estimate pooled prevalence of vitamin D deficiency among healthy pregnant women and heterogeneity among selected studies. A sample of n = 4088 was used to study the pooled prevalence among pregnant women. Results The random effects combined estimate was 32.35% (95% CI, (12.58-117.48). High heterogeneity (tau(2) = 0.39, I-2 = 100%) and high risk of bias was observed among the selected studies. The test for overall effect was observed to be z = 2.54(P = 0.01). Conclusion Pooled estimate > 30% emphasizes the need for screening through antenatal care services and initiate preventive measures to address the deficiency.