Table 2. Results of the ambulatory blood pressure monitoring.
Variable | Cases (n = 67) COPD | Controls (n = 67) Smokers, non-COPD | Difference (95% CI) | P |
---|---|---|---|---|
24 h mean SBP, mmHg | 124·8 ± 12·6 | 124·7 ± 12·6 | ‒ 0·13 (‒ 4·48 to 4·20) | 0·94 |
24 h maximal SBP, mmHg | 155·3 ± 17·2 | 154·8 ± 18·3 | ‒ 0·45 (‒ 6·55 to 5·65) | 0·88 |
24 h mean DBP, mmHg | 76·1 ± 8·0 | 76·3 ± 6·6 | 0·19 (‒ 2·33 to 2·73) | 0·87 |
24 h maximal DBP, mmHg | 99·5 ± 10·4 | 99·2 ± 9·9 | ‒ 0·23 (‒ 3·73 to 3·26) | 0·89 |
Daytime mean SBP, mmHg | 127·8 ±12·6 | 128·9 ± 13·0 | 1·04 (‒ 3·34 to 5·43) | 0·64 |
Daytime maximal SBP, mmHg | 154·4 ± 16·0 | 154·3 ± 18·4 | ‒ 0·34 (‒ 5·96 to 5·88) | 0·99 |
Daytime mean DBP, mmHg | 79·3 ± 8·2 | 80·1 ± 7·1 | 0·71 (‒ 1·92 to 3·36) | 0·59 |
Daytime maximal DBP, mmHg | 99·0 ± 10·3 | 98·9 ± 10·1 | ‒ 0·07 (‒ 3·58 to 3·44) | 0·96 |
Nighttime mean SBP, mmHg | 119·7 ± 15·2 | 117·9 ± 13·4 | ‒ 1·79 (‒ 6·72 to 3·14) | 0·47 |
Nighttime maximal SBP, mmHg | 141·4 ± 18·2 | 138·4 ± 17·4 | ‒ 3·02 (‒ 9·14 to 3·10) | 0·33 |
Nighttime mean DBP, mmHg | 70·9 ± 9·2 | 70·2 ± 7·1 | ‒ 0·63 (‒ 3·46 to 2·18) | 0·65 |
Nighttime maximal DBP, mmHg | 87·6 ± 11·0 | 86·6 ± 10·4 | ‒ 1·05 (‒ 4·73 to 2·63) | 0·57 |
Non dipper, n, % | 32 (47·7%) | 38 (56·7%) | 0·15 | |
Dipper, n, % | 23 (34·3%) | 22(32·8%) | ||
Extreme dipper, n,% | 0 | 2 (2·9%) | ||
Riser, n,% | 12 (17·9%) | 5 (7·4%) |
CI: confidence interval; SBP: systolic blood pressure; DBP: diastolic blood pressure.