100
Good control of this leads to a 30-40% reduction in incidence of stroke
What is blood pressure control?
Furie, K. L., Kernan, W. N., Mitchell, P. H., Ovbiagele, B., Palesch, Y. Y., Sacco, R. L., . . ., Wentworth, D. (2011). Guidelines for the prevention of stroke in patients with stroke or transient ischemic attack: A guideline for healthcare professionals from the American Heart Association/American Stroke Association. Stroke; A Journal of Cerebral Circulation, 42(1), 227-276. doi:10.1161/STR.0b013e3181f7d043