Synopsis:A post-stroke analysis of more than 20,000 patients in 35 countries showed that the lowest risk systolic blood pressure (BP) range is 130-139 mmHg. There is a J-shaped curve of risk with an increase in recurrent stroke among patients with a systolic BP below 120 mmHg and above 140 mmHg.
Source: Ovbiagele B, et al. Level of systolic blood pressure within the normal range and risk of recurrent stroke. JAMA 2011;306:2137-2144.