Table 3.
Comparison of measures of blood pressure and arterial stiffness between COPD and controls
| COPD (n = 24) | Controls (n = 18) | p value | |
|---|---|---|---|
| SBPbr (mmHg) | 135 ± 12.4 | 130 ± 9.6 | 0.18 |
| DBP (mmHg) | 85 ± 10.9 | 77 ± 7.3 | 0.02 |
| HR (min) | 72 ± 16 | 69 ± 13.7 | 0.59 |
| PP (mmHg) | 53.5 ± 10.5 | 51.6 ± 6.4 | 0.50 |
| SBPao (mmHg) | 143/106–156/ | 123/98–148/ | < 0.01 |
| SBPao–SBPbr (mmHg) | 4/− 16 to 11/ | − 4/− 11 to 7/ | < 0.01 |
| Aix% | 10.1 ± 30.6 | − 7.4 ± 20.3 | 0.06 |
| ED (ms) | 308.5 ± 36.5 | 320.6 ± 28.7 | 0.25 |
| PWVao (m/s) | 10.6 ± 1.9 | 8.8 ± 1.3 | < 0.01 |
| RT (ms) | 99.6 ± 20.6 | 115.2 ± 20.2 | < 0.01 |
Data are expressed as mean ± standard deviation or median /range/or percentage. Significant differences are highlighted in bold
SBPbr brachial systolic blood pressure, DBP brachial diastolic blood pressure, HR heart rate, PP pulse pressure, SBPao the central blood pressure, SBPao–SBPbr pressure amplification, Aix Augmentation Index, ED ejection duration, PWVao aortic pulse wave velocity, RT return time