| N = 78 | Mean change (95% CI) |
| ISWT (m) | 56.28 (43.30 to 69.27)*** |
| ESWT (s) | 392.51 (308.80 to 476.24)*** |
| CRQ-SR dyspnoea | 0.75 (0.42 to 1.10)*** |
| CRQ-SR fatigue | 1.00 (0.66 to 1.34)*** |
| CRQ-SR emotion | 0.90 (0.60 to 1.20)*** |
| CRQ-SR mastery | 1.09 (0.73 to 1.46)*** |
| HADS anxiety | −1.94 (−0.82 to −3.07)** |
| HADS depression | −1.30 (−0.40 to −2.22)** |
***p<0.001; **p<0.01. CRQ-SR, chronic respiratory questionnaire self-reported; ESWT, endurance shuttle walking test; HADS, hospital anxiety and depression scale; ISWT; incremental shuttle walking test.