Adherence for each drug type at 12 months was high in both groups but especially in the fixed dose combination group : for antiplatelet treatment it was 93 % fixed dose combination v 83 % usual care ( P < 0.001 ) , for statin 94 % v 89 % ( P = 0.06 ) , for combination blood pressure lowering 89 % v 59 % ( P < 0.001 ) , and for any blood pressure lowering 96 % v 91 % ( P = 0.02 ) .