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1文献来源Webb AJS,Fischer U,Mehta Z,et al.Effects of antihypertensive-drug class on interindividual variation in blood pressure and risk of stroke:Asystematic review and meta-analysis[J].Lancet,2010,375(9718):906-915.2证据水平1a。3背景血压是心血管事件的强力预测因子,收缩压〉115mmHg占到了卒