Despite more patients in the intervention group than in the control group having changes to antihypertensive treatment during the trial period ( 60.1 % [ 98/163 ] v. 47.6 % [ 78/164 ] , p = 0.02 ) , the fall in systolic blood pressure from baseline did not differ significantly between the groups ( adjusted mean difference 0.3 mm Hg , 95 % confidence interval -3.6 to 4.2 mm Hg ) .
