| Mean (95% CI) | COPD | Non-COPD |
| Δ ISWT (m) | 45 (34.2 to 55.8) | 42 (6.9 to 76.4) |
| Δ SGRQ - Symptom | −8.7 (−11.9 to −5.7) | −3.7 (−11 to 3.7) |
| Δ SGRQ - Activity | −3.5 (−5.9 to −1.2) | −5.9 (−10.8 to −0.9) |
| Δ SGRQ – Impact | −9.1 (−11.5 to −6.7) | −10.4 (−16.6 to −4.3) |
| Δ SGRQ – Total | −7.4 (−9.3 to −5.5) | −7.9 (−12.1 to −3.8) |
| Δ HAD – Anxiety | −2 (−2.5 to −1.5) | −1.4 (−2.6 to −0.1) |
| Δ HAD - Depression | −1.9 (−2.4 to −1.4) | −0.63 (−1.9 to 0.6) |