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Prevalence and trends of the diabetes epidemic in urban and rural India: A pooled systematic review and meta-analysis of 1.7 million adults

Journal

ANNALS OF EPIDEMIOLOGY
Volume 58, Issue -, Pages 128-148

Publisher

ELSEVIER SCIENCE INC
DOI: 10.1016/j.annepidem.2021.02.016

Keywords

India; Type-2 diabetes; Diabetes mellitus; Prevalence; Trends

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The prevalence of diabetes/pre-diabetes in India has been increasing in both urban and rural areas, with significant growth observed in both genders. In the past decade, the highest prevalence rates were recorded in the states of Goa and Tamil Nadu, showing a wide disparity in prevalence between the North and the South of India.
Purpose: India has experienced a recent sharp increase in diabetes/pre-diabetes. We conducted a systematic-review and meta-analyses to describe the most recent prevalence and trends of prediabetes/diabetes in urban and rural India. Methods: Methods A literature search was conducted in PubMed and Scopus databases for population based studies describing prevalence of diabetes/pre-diabetes in urban/rural populations. Trends were analysed in rural and urban settings overall, genderwise and statewise. Results: The study reports data from 1,778,706 adults in India (69-studies), from surveys conducted from 1972-2017. Prevalence of diabetes increased in both rural and urban India from 2.4% and 3.3% in 1972 to 15.0% and 19.0% respectively in year 2015-2019. This was independently observed in both genders. Similar increasing prevalence was observed for pre-diabetes, overall and in both genders. In the latest decade (2010-2019) rural and urban prevalence was highest in states of Goa (17.4%) and Tamil Nadu (24.0%) respectively. Statewise analysis observed a wide disparity in prevalence between the North and the South of India. Conclusion: Pooled estimates show a relatively high burden of diabetes and pre-diabetes in rural and urban India, with narrowed urban-rural gap. Hence, it is important to plan urgent primary and secondary prevention strategies to minimize further increase in areas with high prevalence. (c) 2021 Elsevier Inc. All rights reserved.

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