Mean change in QoL over the follow-up period
| QoL measure | Ventilated, n=80 | Not ventilated, n=96 | p Value |
|---|---|---|---|
| SGRQ symptoms | −4.80 (19.4) | −11.8 (19.2) | 0.017 |
| SGRQ activity* | 3.22 (10.2) | 0.60 (13.3) | 0.15 |
| SGRQ impacts* | −0.09 (15.5) | −5.36 (14.9) | 0.024 |
| SGRQ total* | 0.05 (12.5) | −4.55 (13.2) | 0.019 |
| CRQ dyspnoea† | 0.17 (1.16) | 0.48 (1.37) | 0.11 |
| CRQ emotional function† | 0.42 (1.10) | 0.42 (1.16) | 0.98 |
| CRQ fatigue† | 0.40 (1.12) | 0.36 (1.20) | 0.82 |
| CRQ mastery† | 0.66 (1.41) | 0.87 (1.27) | 0.30 |
| HADS anxiety* | −1.30 (2.73) | −1.70 (3.76) | 0.45 |
| HADS depression* | −0.43 (2.65) | −0.45 (3.18) | 0.43 |
| NEADL† | −4.35 (8.32) | −2.69 (7.64) | 0.17 |
Values shown as mean (SD).
*Lower values indicate improved QoL.
†Higher values indicate improved QoL.
CRQ, Chronic Respiratory Disease Questionnaire; HADS, Hospital Anxiety and Depression Scale; NEADL, Nottingham Extended Activity of Daily Living Scale; SGRQ, St George's Respiratory Questionnaire; QoL, quality of life.