Global Disparities of Hypertension Prevalence and Control: A Systematic Analysis of Population-based Studies from 90 Countries

By K. Mills, J. Bundy, Tanika N. Kelly, Jennifer E. Reed, P. Kearney, K. Reynolds, Jing M. Chen, Jiang He. Circulation, 2016

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Background Hypertension is the leading preventable cause of premature death worldwide. We examined global disparities of hypertension prevalence, awareness, treatment, and control in 2010 and compared secular changes from 2000 to 2010. Methods We searched MEDLINE from 1995 through 2014 and supplemented with manual searches of retrieved article references. We included 135 population-based studies of 968,419 adults from 90 countries. Sex-age-specific hypertension prevalences from each country were applied to population data to calculate regional and global numbers of hypertensive adults. Proportions of awareness, treatment, and control from each country were applied to hypertensive populations to obtain regional and global estimates. Results In 2010, 31.1% (95% confidence interval, 30.0-32.2%) of the world's adults had hypertension; 28.5% (27.3-29.7%) in high-income countries and 31.5% (30.2-32.9%) in low- and middle-income countries. An estimated 1.39 (1.34-1.44) billion people had hypertension in 2010; 349 (337-361) million in high-income and 1.04 (0.99-1.09) billion in low- and middle-income countries. From 2000 to 2010, the age-standardized prevalence of hypertension decreased by 2.6% in high-income countries but increased by 7.7% in low- and middle-income countries. During the same period, the proportions of awareness (58.2% vs 67.0%), treatment (44.5% vs 55.6%), and control (17.9% vs. 28.4%) increased substantially in high-income countries, whereas awareness (32.3% vs 37.9%) and treatment (24.9% vs 29.0%) increased less, and control (8.4% vs 7.7%) even slightly decreased in low- and middle-income countries. Conclusions Global hypertension disparities are large and increasing. Collaborative efforts are urgently needed to combat the emerging hypertension burden in low- and middle-income countries.

Subfields: Cardiology and Cardiovascular Medicine, Endocrinology, Diabetes and Metabolism, Nutrition and Dietetics

View Paper: https://www.semanticscholar.org/paper/7cc8509376bf3268ea39cea358e404a3484dd758

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