No treatment difference was found at follow-up in mean systolic blood pressure ( 129.6 mmHg vs. 128.6 mmHg ) , mean low-density lipoprotein cholesterol levels ( 89.9 mg/dl vs. 91.7 mg/dl ) , serious adverse events ( 23 vs. 21 ) , or death ( 1 , 0.3 % in each group ) .