Blood pressure chart by age and gender
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This study was conducted according to the recommendations of the Declaration of Helsinki and was approved by the Western Sydney Area Human Ethics Committee. Baseline participants ( n = 3654) represented 82.4% of eligible potential participants living in two postal-code areas in the Blue Mountains of Australia. The BMES is a population-based cohort study of vision, common eye diseases, and other health outcomes in an urban population aged 49 years or more. The findings are consistent with those from the Atherosclerosis Risk in Communities Study suggesting that decreased retinal vessel diameters may reflect microvascular damage from elevated blood pressure. Retinal arteriolar and venular diameters narrow with increasing age, and these parameters are inversely related to BP, independent of age, gender, and smoking. For every 10-mm Hg increase in mean arterial blood pressure, AVR decreased by 0.012 and CRAE and CRVE decreased by 3.5 μm and 0.96 μm, respectively.Ĭonclusions. After adjustment for age, sex, smoking, and body mass index, CRAE, CRVE and AVR were all significantly and inversely associated with BP. Mean AVR declined by 0.01 for each increasing decade of age, until 79 years. CRAE and CRVE decreased by 4.8 μm and 4.1 μm, respectively, per decade increase in age, after adjusting for sex and mean arterial blood pressure. Retinal vessel diameters decreased with increasing age in both men and women. Associations between age and BP and CRAE, CRVE, and AVR were assessed with generalized linear models. The arteriole-to-venule ratio (AVR) was calculated. Summarized estimates for central retinal arteriolar equivalent (CRAE) and central retinal venular equivalent (CRVE) represent average retinal vessel diameters. The width of all retinal vessels located 0.5 to 1.0 disc diameters from the disc margin was measured by a computer-assisted method. Retinal photographs from right eyes of participants ( n = 3654, aged 49+ years) in the Blue Mountains Eye study taken during baseline examinations (1992–1994) were digitized. To describe the cross-sectional relationships between age, blood pressure (BP), and quantitative measures of retinal vessel diameters in an older Australian population.