title: The prevalence of hypertension in the Indian population of Roodepoort (Transvaal).
abstract: In a house-to-house study of 318 Roodepoort Indians the prevalence of hypertension was 19% by 1962 World Health Organization criteria and 12% by 1978 WHO criteria. This change in criteria may lead to misinterpretation of trends in the prevalence of hypertension. The mean systolic and diastolic pressures rose with age. Sixty-three per cent of subjects found to be hypertensive were already on therapy and 26% of the hypertensives were undiagnosed until this survey. The proportion of undiagnosed cases has important health implications.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D001794:Blood Pressure; D005260:Female; D006801:Humans; D006973:Hypertension / Q000453:epidemiology*; D007194:India / Q000208:ethnology; D008297:Male; D008875:Middle Aged; D012737:Sex Factors; D013019:South Africa