Table 1.
Patient characteristics at baseline
| N=181 | |
|---|---|
| Age, years | 64.0 (59.0/69.0) |
| Male/female, N | 117/64 |
| BMI, kg/m2 | 25.8 (22.6/28.3) |
| Never smoker/current smoker/former smoker, N | 7/44/130 |
| Pack years of smoking, N | 40 (30/60) |
| Lung function | |
| FVC, % pred. | 82 (20.7) |
| FEV1, % pred. | 46 (33.0/65.0) |
| COPD risk group, N (%) | |
| A | 31 (17) |
| B | 89 (49) |
| C | 9 (5) |
| D | 52 (29) |
| Number of exacerbations previous year, N/patient | 0 (0/1) |
| Exacerbation category | |
| No exacerbation, N (%) | 113 (62) |
| Moderate exacerbation, N (%) | 43 (24) |
| Severe exacerbation, N (%) | 25 (14) |
| Daily physical activity | |
| Number of steps per day, N | 4,626 (2,884/7,220) |
Notes: Values are median (quartiles) or mean (SD) unless otherwise stated. COPD risk group A (low risk, less symptoms), B (low risk, more symptoms), C (high risk, less symptoms), D (high risk, more symptoms).
Abbreviation: BMI, body mass index.