Elevated SBP Increases CVD Mortality Stroke Age at risk THD Age at risk 256 80-89 years256 80-89 years 8128 70-79 years 128 70-79 years 64 60-69 years 64 60-69 years 32 A50-59 years 32 50-59 years 16 16 d40-49 years 8 0 120140160180 120140160180 Usual SBP(mm Hg) Usual SBP(mm Hg) IHD=ischemic heart disease: CVD=cardiovascular disease Prospective Studies Collaboration. Lancet. 2002; 360: 1903-19139