Table 2.
Basic characteristics of the COPD population at follow-up visit 4 weeks after exacerbation onset
| Variable | Patients (n = 69) |
|---|---|
| Age (years), median (IQR) | 67 (61–75) |
| Female sex, n (%) | 20 (29) |
| BMI (kg/m2) | 25.7 (6.3) |
| Current smokers, n (%) | 31 (45) |
| Smoking pack years (years) | 52 (26) |
| Length of hospitalisation (days), median (IQR) | 3 (2–6) |
| FEV1 (liters) | 1.19 (0.50) |
| FEV1 (% of predicted) | 45.8 (16.1) |
| FVC (liters) | 2.55 (0.81) |
| FVC (% of predicted) | 77.5 (19.0) |
| FEV1/FVC ratio | 0.46 (0.11) |
| 6MWD (meters) | 166 (119) |
| MRC dyspnoea score, median (IQR) | 4 (3–4) |
Variables are listed as mean (standard deviation) unless otherwise stated. IQR, interquartile range; BMI, body mass index; FEV1, forced expiratory volume in one second; FVC, forced vital capacity; 6MWD, 6 min walking distance; MRC, Medical Research Council