| Mean (SD) unless stated otherwise | COPD | Controls |
|---|---|---|
| n | 135 | 88 |
| Age (years) | 67 (8) | 65 (10) |
| Gender male n (%) | 79 (59) | 56 (64) |
| FEV1% predicted | 56 (19) | 100 (14) |
| Smoking pack years | 45 (26) | 29 (19) |
| Smoking status current: ex n (%) | 40 (30): 95 (70) | 18 (20): 70 (80) |
| MAP (mmHg) | 105 (13) | 105 (12) |
| ACC/ AHA risk score | 19 (12) | 16 (12) |
| NHLBI risk score | 11 (8) | 10 (8) |