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对北京、上海、长沙三组城市人群基线调查中心脑务管疾病危险因素的平均水平作了对比分析。三组人群中收缩压（ＳＢＰ）均值最高为北京人群１７．２９ｋＰａ（１２９．７０ｍｍＨｇ）（１ｋＰａ＝７．５ｍｍＨｇ），最低为长沙人群１６．６２ｋＰａ（１２４．６７ｍｍＨｇ）。而舒张压（ＤＢＰ）均值最高为长沙人群１０．９０ｋＰａ（８１．７６ｍｍＨｇ），最低为上海人群１０．１２ｋＰａ（７５．９２ｍｍＨｇ）。提示在以往研究中长沙人群在南方城市中有较高的脑卒中发病率与其有较高的ＤＢＰ均值可能有一定的关联。ＢＭＩ与ＴＣ的均值与ＳＢＰ均值在三组人群中的分布趋势一致。三组人群中ＳＢＰ均值均随年龄增长而升高，预防心脑血管疾病应从预防和控制人群高血压入手。
The comparative analysis of the average risk factors of cerebrovascular diseases in the baseline survey centers of urban population in Beijing, Shanghai and Changsha cities was made. The mean systolic blood pressure (SBP) among the three groups was 17.29 kPa (129.70 mmHg) at Beijing (1 kPa = 7.5 mmHg) and 16.62 kPa (124.67 mmHg) at Changsha. The mean DBP was 10.90kPa (81.76mmHg) in Changsha and 10.12kPa (75.92mmHg) in Shanghai. Tip In previous studies, the Changsha population in southern cities have a higher incidence of stroke with its higher DBP mean may be related. The distribution trend of BMI and TC mean and SBP mean in three groups were the same. SBP mean of three groups increased with age, prevention of cardiovascular and cerebrovascular diseases should start from prevention and control of population hypertension.