Magnitude and pattern of hypertension in the Niger Delta: A Systematic Review and Meta-Analysis of community-based studies

Ezejimofor, Martinsixtus, Uthman, Olalekan, Chen, Yen-Fu, Ezejimofor, Benedeth, Ezeabasili, Aloysius, Stranges, Saverio and Kandala, Ngianga-Bakwin (2017) Magnitude and pattern of hypertension in the Niger Delta: A Systematic Review and Meta-Analysis of community-based studies. Journal of Global Health. ISSN 2047-2986 (In Press)

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Abstract

Background - Emerging evidence found that health inequality in the Niger Delta region in Nigeria has continued to worsen due to epidemiological and environmental risks transitions. This study aims to provide an up-to-date review and the secular trends of hypertension prevalence in Niger Delta.

Methods - We systematically searched databases of MEDLINE, EMBASE, African index Medicus and African Journal online from inception to December 30, 2016 for population–based studies providing prevalence estimates of hypertension in the Niger Delta. Eligible studies were included in a random–effect meta-analysis of prevalence and secular trend. The review was reported according to MOOSE guideline.

Results - Overall, 34 eligible studies comprising of data on 32715 participants with mean-age of 38.43±2.0 years were identified and included in the meta-analysis. The pooled result showed that across study settings, the prevalence of hypertension in rural population tended to be higher than those in urban areas, 32.0% (95%, CI 25.13-39.28) versus 24.07% (95%, CI 18.13-30.58), however, the difference did not reach a statistical significant level, (P< 0.183). The overall mean SBP was 130.15 (95%, CI 126.85-133.45) mmHg, and the DBP was 80.72 (95%, CI 78.45-82.95). The estimates also vary significantly in men compared to women; 30.26% (95%, CI 23.76-37.17) versus 22.99% (17.60-28.86), P<0.0001 and among those older than 65 years compared to those aged 45-64 years, and more than 2-fold compared to those between 15-44 years, P<0.001. We also observed a continuous increase in prevalence of hypertension in the region (trend = 0.139, P value = 0.0001), such that for every 10 years increase in participants' mean age, the prevalence of hypertension increases by 10.43% (5.73-15.14), P<0.001

Conclusions - This study found evidence that hypertension is a major public health issue in the Niger Delta communities suggesting a positive relationship between socioecioeconomic and lifetyle factors. Improved surveillance and care, as well as better management of the underlying risk factors, primarily undetected or uncontrolled high blood pressure, remains an important public health priority.

Item Type: Article
Subjects: L900 Others in Social studies
Department: Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User: Becky Skoyles
Date Deposited: 10 Nov 2017 08:33
Last Modified: 15 Nov 2017 21:03
URI: http://nrl.northumbria.ac.uk/id/eprint/32501

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