Baseline characteristics of patients with baseline and follow-up data (RO1)
| Control period n=721 | Experimental period n=317 | |
| Age in years | n=720 | n=313 |
| Mean (SD) | 70 (8.93) | 70 (8.55) |
| Sex | n=721 | n=317 |
| Male, n (%) | 430 (60) | 194 (61) |
| Female, n (%) | 291 (40) | 123 (39) |
| BMI (kg/m2) | n=612 | n=316 |
| Mean (SD) | 27 (4.69) | 27 (4.14) |
| Smoking status | n=678 | n=317 |
| Current, n (%) | 254 (38)* | 112 (35)* |
| Former, n (%) | 375 (55)* | 118 (37)* |
| Never, n (%) | 49 (7)* | 87 (27)* |
| FWD in metres | n=674 | n=317 |
| Median (IQR) | 260 (157–432) | 250 (150–400) |
| MWD in metres | n=674 | n=317 |
| Median (IQR) | 380 (235–620) | 360 (214–567) |
| HRQoL (6–24) | n=691 | n=317 |
| Median (IQR) | 16 (13–19)† | 15 (12–18)† |
*Significant difference (p<0.05) between control and experimental group (χ2 test).
†Significant difference (p<0.05) between control and experimental group (Mann-Whitney U test).
BMI, body mass index; FWD, functional walking distance; HRQoL, health-related quality of life; MWD, maximal walking distance; RO1, research objective.