Among 8,354 patients included in this analysis with an accumulated 22,308 patient-years of follow-up , 4,787 ( 57 % ) achieved systolic BP of < 140 mm Hg ( group 1 ) , 1,747 ( 21 % ) achieved systolic BP of 140 to < 150 mm Hg ( group 2 ) , and 1,820 ( 22 % ) achieved systolic BP of150 mm Hg ( group 3 ) .