Mean change in quality of life during follow-up
| Mean change in QoL (mean (SD)),† | Total population, n=176 | Ventilated, n=80 | Not ventilated, n=96 | p value* |
|---|---|---|---|---|
| SGRQ Symptoms | –8.65 (19.5) | –4.80 (19.4) | –11.8 (19.2) | 0.0170 |
| SGRQ Activity | 1.79 (12.0) | 3.22 (10.2) | 0.60 (13.3) | 0.15 |
| SGRQ Impacts | –2.98 (15.4) | –0.09 (15.5) | –5.36 (14.9) | 0.024 |
| SGRQ Total | –2.47 (13.0) | 0.05 (12.5) | –4.55 (13.2) | 0.019 |
↵* comparison between ventilated and not ventilated groups; † lower values indicate improved quality of life, minimally important clinical difference = ±4