Multivariate analysis
| OR (95% IC) | p | |
| Barthel index | 0.96 (-0.06 - -0.02) | <0.001 |
| mMRC scale 1 | 4.70 (-0.43 - 3.53) | 0.13 |
| mMRC scale 2 | 8.88 (0.43 - 3.94) | 0.01 |
| mMRC scale 3 | 8.21 (0.35 - 3.86) | 0.02 |
| mMRC scale 4 | 8.36 (0.17 - 4.08) | 0.03 |
| Previous hospitalizations | 3.18 (0.16-2.15) | 0.02 |