低於120風險急劇上升;高於130風險逐步上升。
文獻鏈接:
Optimal Systolic Blood Pressure Levels for Primary Prevention of Stroke in General Hypertensive adults
--Findings From the CSPPT (China Stroke Primary Prevention Trial)
主要結果見下圖。
Comparisons of first stroke by time-averaged on-treatment systolic blood pressure (SBP) categories in different subgroups. HR indicates hazard ratio.