The combination therapy was more effective on clinic DBP measured at trough than was losartan by 3.2 mmHg [ confidence interval ( 95 % , CI ) 0.7-5 .7 mmHg , P = 0.012 ] , and more effective than enalapril by 4.0 mmHg ( 95 % CI , 1.5-6 .4 mmHg , P = 0.002 ) .
