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dc.contributor.authorBovet, Pascal
dc.contributor.authorGervasoni, Jean-Pierre
dc.contributor.authorG. Ross, Allen
dc.contributor.authorMkamba, Mashombo
dc.contributor.authorMtasiwa, Deo
dc.contributor.authorLengeler, Christian
dc.contributor.authorBurnier, Michel
dc.contributor.authorPaccaud, Fred
dc.date.accessioned2017-05-03T15:52:21Z
dc.date.available2017-05-03T15:52:21Z
dc.date.issued2003
dc.date.modified2010-08-16T06:49:48Z
dc.identifier.issn0263-6352
dc.identifier.urihttp://hdl.handle.net/10072/33498
dc.description.abstractBackground: Although it is well recognized that the diagnosis of hypertension should be based on blood pressure (BP) measurements taken on several occasions, notably to account for a transient elevation of BP on the first readings, the prevalence of hypertension in populations has often relied on measurements at a single visit. Objective: To identify an efficient strategy for assessing reliably the prevalence of hypertension in the population with regards to the number of BP readings required. Design: Population-based survey of BP and follow-up information. Setting and participants: All residents aged 25-64 years in an area of Dar es Salaam (Tanzania). Main outcome measures: Three BP readings at four successive visits in all participants with high BP (n = 653) and in 662 participants without high BP, measured with an automated BP device. Results: BP decreased substantially from the first to third readings at each of the four visits. BP decreased substantially between the first two visits but only a little between the next visits. Consequently, the prevalence of high BP based on the third reading - or the average of the second and third readings - at the second visit was not largely different compared to estimates based on readings at the fourth visit. BP decreased similarly when the first three visits were separated by 3-day or 14-day intervals. Conclusions: Taking triplicate readings on two visits, possibly separated by just a few days, could be a minimal strategy for assessing adequately the mean BP and the prevalence of hypertension at the population level. A sound strategy is important for assessing reliably the burden of hypertension in populations.
dc.description.peerreviewedYes
dc.description.publicationstatusYes
dc.languageEnglish
dc.language.isoeng
dc.publisherWolters Kluwer
dc.publisher.placeUnited Kingdom
dc.publisher.urihttp://www.nature.com/ajh/
dc.relation.ispartofpagefrom509
dc.relation.ispartofpageto517
dc.relation.ispartofissue3
dc.relation.ispartofjournalJournal of Hypertension
dc.relation.ispartofvolume21
dc.subject.fieldofresearchClinical Sciences not elsewhere classified
dc.subject.fieldofresearchCardiorespiratory Medicine and Haematology
dc.subject.fieldofresearchClinical Sciences
dc.subject.fieldofresearchMedical Physiology
dc.subject.fieldofresearchcode110399
dc.subject.fieldofresearchcode1102
dc.subject.fieldofresearchcode1103
dc.subject.fieldofresearchcode1116
dc.titleAssessing the prevalence of hypertension in populations: are we doing it right?
dc.typeJournal article
dc.type.descriptionC1 - Articles
dc.type.codeC - Journal Articles
gro.date.issued2003
gro.hasfulltextNo Full Text
gro.griffith.authorRoss, Allen G.


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