Table 1.
Population characteristics
| All patients (n=5886) | |
|---|---|
| Age, years | 57.5 (4.3) |
| Sex, female | 53.1 |
| BMI, kg·m−2 | 27.2 (4.6) |
| Smoking status | |
| Current smoker | 17.4 |
| Ex-smoker | 39.5 |
| Never-smoker | 43.1 |
| Orthostatic test | |
| Supine SBP, mmHg | 122.7 (16.5) |
| Orthostatic SBP, mmHg decrease | -3.8 (10.3) |
| Supine DBP, mmHg | 76.5 (9.7) |
| Orthostatic DBP, mmHg decrease | -9.5 (6.4) |
| Resting heart rate, min-1 | 60.9 (9.0) |
| Spirometry | |
| FVC, ml | 4065 (981) |
| FVC, % predicted | 100.6 (14.2) |
| FEV1, ml | 3184 (772) |
| FEV1, % predicted | 100.5 (13.0) |
| FEV1/FVC ratio | 0.770 (0.069) |
| FEV1/FVC < 0,7 | 8.8 |
| DLCO, mmol/(min*kPa) | 8.0 (1.8) |
| DLCO, % predicted | 98.9 (15.1) |
| Impulse oscillometry | |
| R5, kPa/(L/s) | 0.31 (0.12) |
| R5, % predicted | 108.8 (33.6) |
| R20, kPa/(L/s) | 0.28 (0.10) |
| R20, % predicted | 123.9 (37.7) |
| R5 – R20, kPa/(L/s) | 0.03 (0.05) |
| R5 – R20, % predicted | N/A |
| X5, kPa/(L/s) | -0.08 (0.05) |
| X5, % predicted | 89.5 (42.8) |
| Fres, Hz | 9.86 (4.27) |
| Fres, % predicted | 81.9 (28.6) |
| AX, Kpa/L | 0.18 (0.22) |
| AX, % predicted | 64.8 (67.1) |
| Medical history | |
| Diabetes | 4.9 |
| Using hypertensive medication | 20.5 |
| Using β-blockers | 18.5 |
| Inhalation medication for COPD/asthma | 4.8 |
| Carotid artery plaques, yes | 60.7 |
| Calcium score, ≥ 1 | 42.2 |
Presented as mean (SD) or % of total. IOS parameters presented as median (interquartile range)