Table 2.
The effect of pulmonary rehabilitation on the six-minute walking test (6MWT).
| Group | n | 6MWT t1 [m] | 6MWT t2 [m] | 6MWT Δ [m] | Cohen’s d |
|---|---|---|---|---|---|
| COPD I–IV | 575 | 452.1 ± 118.6 | 484.3 ±119.0 | 32.3 ± 71.2 *** | −0.45 [S] |
| COPD I | 28 | 522.2 ± 93.2 | 542.9 ± 100.0 | 20.7 ± 42.9 *** | −0.48 [S] |
| COPD II | 263 | 486.0 ± 108.9 | 520.6 ± 108.2 | 34.7 ± 76.1 *** | −0.45 [S] |
| COPD III | 213 | 425.8 ± 111.2 | 455.1 ± 116.2 | 29.3 ± 66.4 *** | −0.44 [S] |
| COPD IV | 71 | 377.3 ± 126.9 | 414.3 ± 116.8 | 36.9 ± 75.3 *** | −0.49 [S] |
Legend: m: meter; t1: before rehabilitation; t2: after rehabilitation; Δ: t2 − t1 (change, D); *** p < 0.001 pre to post; [S]: small effect size.