Table 1.
Characteristics of the patients
| 94 COPD patients | Mean ± SD | Range |
|---|---|---|
| Age (years) | 68±9 | 43–86 |
| Height (cm) | 164±7 | 146–178 |
| Weight (kg) | 66±11 | 38–98 |
| BMI (kg/m2) | 24±4 | 16–35 |
| Pack years | 33±21 | 0–104 |
| Number of exacerbations within the past 12 months | 1.1±1.3 | 0–6 |
| Spirometry | ||
| – Post-bronchodilatation FEV1 | 50%±18% pred | 21%–108% pred |
| – Post-bronchodilatation FVC | 82%±22% pred | 28%–125% pred |
| – Post-bronchodilatation FEV1/FVC | 51%±15% | 25%–86% |
| – Acute bronchodilatation response | 6.3%±7.8% | −9%–43% |
Abbreviations: BMI, body mass index; FEV1, forced expiratory volume in 1 second; FVC, forced vital capacity; SD, standard deviation.