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一、流行病学 (一)老年人20年以上纵向调查:纵向调查已成为观察人体衰老变化及流行病学调查的重要手段。解放军总医院等单位协作,总结260名老年人健康随访20年以上纵向观察。结果:(1)体重自老年前期开始随增龄而逐渐上升的占60％,逐渐下降的只有18％。身高随增龄而无明显变化的占多数(65.6％);(2)血压:收缩压随增龄而上升,舒张压随增龄变化不显著。心率在观察期内基本无变化者占73.8％;(3)血红蛋白随
I. Epidemiology (I) Longitudinal survey of the elderly for more than 20 years: Longitudinal investigation has become an important means of observing human aging changes and epidemiological investigation. People’s Liberation Army General Hospital and other units to work together to summarize the health of 260 elderly were followed up for more than 20 years longitudinal observation. Results: (1) The body weight gradually increased from 60% in early age with age, and only gradually decreased by 18%. (65.6%) with height; (2) Blood pressure: systolic blood pressure increased with age, diastolic blood pressure with age did not change significantly. Heart rate in the observation period, basically no change accounted for 73.8%; (3) hemoglobin