Evidence map›Paper›PMID 41654743›Full record

ArticleBMC cardiovascular disorders2026

Prevalence of hypertension and estimates of cardiovascular disease risk in the Western Province of Sri Lanka.

Eranga Wijewickrama, Desha Rajni Fernando, Ashani Wickramarachchi, Gaya Wijeweera Katulanda, Vithanage Pujitha Wickramasinghe, Prasad Katulanda

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Article in BMC cardiovascular disorders, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

6 authors.

Eranga WijewickramaDepartment of Clinical Medicine, Faculty of Medicine, University of Colombo, Colombo, Sri Lanka.ORCID 0000-0002-1516-7263
Desha Rajni FernandoDepartment of Clinical Medicine, Faculty of Medicine, University of Colombo, Colombo, Sri Lanka. rajni0131@outlook.com.ORCID 0000-0002-4034-2799
Ashani WickramarachchiProfessorial Medical Unit, National Hospital Sri Lanka, Colombo, Sri Lanka.
Gaya Wijeweera KatulandaDepartment of Chemical Pathology, National Hospital of Sri Lanka, Colombo, Sri Lanka.ORCID 0000-0001-9499-6440
Vithanage Pujitha WickramasingheDepartment of Paediatrics, Faculty of Medicine, University of Colombo, Colombo, Sri Lanka.ORCID 0000-0002-8355-1283
Prasad KatulandaDepartment of Clinical Medicine, Faculty of Medicine, University of Colombo, Colombo, Sri Lanka.ORCID 0000-0003-4313-7528

Funding

National Science Foundation of Sri Lanka RPHS/2016/DTM/01National Science Foundation of Sri Lanka RPHS/CKDu/01
6 · The paper itself

Abstract

backgroundIschaemic heart disease remains the leading global cause of death, and is strongly linked to hypertension. However, recent data on hypertension and cardiovascular risk in Sri Lanka are limited. This study aimed to determine the prevalence of hypertension, its associations with demographic characteristics, and the cardiovascular risk profile of the population in the Western Province of Sri Lanka.

methodsA descriptive cross-sectional epidemiological study was conducted in 2018-2020 in Western province. A total of 1800 non-institutionalized adults aged over 20 years were recruited using a multi-stage stratified random cluster sampling method. Data collection was made through interviewer administered questionnaire, physical measurements, and laboratory investigations of biochemical analysis. Hypertension was diagnosed based on the 2017 guidelines of the American College of Cardiologists/American Heart Association. Cardiovascular risk was assessed using the WHO Cardiovascular Disease Risk Laboratory-Based Chart for the South-East Asia region and the Framingham Risk Score (FRS). Prevalence estimates are presented with 95% confidence interval.

resultsData from 1,333 participants (response rate 78.2%) were analyzed; 62.3% were females, 36.4% lived in urban areas, and the mean age was 49.8 years (± 9.1) (males- 49.7 ± 8.93, females-49.8 ± 8.99). Age-standardized prevalence of hypertension among all adults was 47.2% (95% CI: 44.5-49.9). Crude prevalence was 56.3% (95% CI: 52.1-60.5), undiagnosed prevalence was 32.9% (95% CI:28.4-37.4) and already diagnosed was 23.4% (95% CI:20.2-26.6). Hypertension prevalence was highest among adults aged 60-69 years (75.5%, 95%CI:68.8-82.2), those with primary education (62.6%, 95% CI:52.7-72.5), in Gampaha district (57.3%, 95% CI:53.0-61.6), rural setting (57.2%, 95% CI:53.6-60.8) and with lowest monthly income of USD < 200 (59.8%, 95% CI:52.7-66.9). Among adults aged 40 years and older, the prevalence of high cardiovascular risk (> 20%) was 19.3% (95% CI:16.1-22.5) based on the FRS and 5.4% (95% CI:3.5-7.3) according to the WHO Risk Score.

conclusionsOver half of adults in Western Province, Sri Lanka have hypertension, with one-third undiagnosed. Nearly one-fifth of midlife adults face high cardiovascular risk. Socioeconomic disparities highlight the need for targeted workplace screenings and tailored health education for lower-income communities.

Indexed as

Blood PressureCardiovascular DiseasesHypertensionAdultAgedCross-Sectional StudiesFemaleHeart Disease Risk FactorsHumansMaleMiddle AgedPrevalenceRisk AssessmentRisk FactorsSri LankaYoung AdultCardiovascular disease riskCardiovascular diseasesHypertensionPrevalenceSri Lanka

Identifiers

PMID41654743
PMCPMC13015043

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