Haemodynamic measurements | COPD | Never-smoking controls | Ex-smoking controls |
Subjects n | 162 | 65 | 102 |
Aortic pulse wave velocity m·s−1 | 10.9±2.8 | 8.7±2.2* | 9.0±2.9* |
Central augmentation index % | 31.2±8.6 | 24.6±8.1* | 26.7±9.4* |
Peripheral mmHg | |||
Systolic pressure | 137±21 | 141±17 | 146±21* |
Diastolic pressure | 82±10 | 84±8 | 85±9* |
Mean pressure | 102±13 | 105±11 | 108±13* |
Pulse pressure | 55±16 | 57±13 | 61±16* |
Cardiac frequency beats per min | 68±11 | 58±8* | 59±8* |
Central pressure mmHg | |||
Systolic pressure | 129±20 | 133±16 | 138±21* |
Diastolic pressure | 83±10 | 85±9 | 86±9* |
Mean pressure | 102±13 | 105±11 | 108±13* |
Pulse pressure | 46±15 | 48±12 | 52±15* |
Data are presented as mean+sd, unless otherwise stated. *: p<0.05 in comparison with subjects with COPD.