| Mean | Readmitted | Not readmitted | p Value |
| MRC | 4.7 | 4.1 | 0.011 |
| 6MW (m) | 158 | 242 | 0.001 |
| BODE index score | 7.6 | 5.8 | 0.000 |
| SGRQtotal | 73.7 | 65.4 | 0.008 |
| LCADLtotal | 43.4 | 32.6 | 0.001 |
LCADL, London chest activity of daily living questionnaire; SGRQ, St George’s respiratory questionnaire; 6MW, 6-minute walk.