研究表明患高血壓的中國人收縮壓控製在120-130發生首次中風的風險最低

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.