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[Distribution characteristics of blood pressure in Hainan centenarians].

Objective: To explore the blood pressure levels and the influencing factors of hypertension among Hainan centenarians, and provide basic data for the further blood pressure related studies of the centenarian population. Methods: The baseline data were from China Hainan Centenarian Cohort Study (CHCCS). This cross-sectional data, based on the community population, was a complete sample study of centenarians, including questionnaire survey, physical examination and physiological index detection. A total of 1 002 centenarians were recruited to describe the blood pressure level. According to the guidelines for the prevention and treatment of hypertension in Chinese adults in 2018, the prevalence of hypertension was analyzed. Results: The median levels of systolic blood pressure, diastolic pressure and pulse pressure were 152.0, 76.0 and 76.5 mmHg, respectively. Blood pressure level was higher in females than in males. The prevalence of hypertension was 71.9%, mainly in isolated systolic hypertension with the prevalence of 60.1%. The results of multivariate analysis showed that the risk of hypertension in women was higher than that in men (OR=1.624, 95%CI: 1.155-2.283), and the risk of hypertension in the northern (OR=0.625, 95%CI: 0.434-0.901) and central areas (OR=0.586, 95%CI: 0.346-0.993) was lower than that of the Eastern. Conclusion: The prevalence of hypertension, mainly in isolated systolic hypertension, showing gender and regional distribution differences.