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Table 3 Ambulatory blood pressure measurements

From: Once versus twice daily antihypertensive medications for the control of nocturnal blood pressure: a comparative study

VariableTotal (n=199), mean ± SDGroup 1 (n=135), mean ± SDGroup 2 (n=64), mean ± SDp value
Daytime SBP, mmHg126.9 ± 12.2125.4 ± 11.6130.1 ± 12.90.011
Daytime DBP, mmHg75.5 ± 9.475.3 ± 9.375.9 ± 9.60.662
Nighttime SBP, mmHg119.0 ± 13.2117.0 ± 12.4123.1 ± 13.90.002
Nighttime DBP, mmHg69.0 ± 10.368.4 ± 10.070.2 ± 10.90.261
24H SBP, mmHg124.3 ± 11.3122.7 ± 10.6127.5 ± 12.00.005
24H DBP, mmHg73.6 ± 8.773.4 ± 8.774.0 ± 8.80.646
Ambulatory HR74.9 ± 9.875.0 ± 9.874.7 ± 10.00.833
Dipping ratio0.94 ± 0.790.93 ± 0.080.95 ± 0.070.198
 No. (%)No. (%)No. (%)p value
Non-dippers138 (69.3)93 (68.9)45 (70.3)0.839
MUCH    
 Daytime definition54 (27.1)30 (22.2)24 (37.5)0.024
 Nighttime definition114 (57.3)70 (51.9)44 (68.8)0.024
 24H definition66 (33.2)38 (28.1)28 (43.8)0.029
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