Univariate and multivariate associations between predictive variables and death or readmission
| Predictor | Univariate HR (95% CI) | P value | Multivariate HR (95% CI) | P value |
| Gait speed | 0.41 (0.19 to 0.90) | 0.025 | 0.35 (0.14 to 0.88) | 0.025 |
| Age | 1.01 (0.99 to 1.05) | 0.26 | 1.0 (0.95 to 1.03) | 0.88 |
| Male gender | 0.89 (0.46 to 1.07) | 0.71 | 0.98 (0.44 to 2.1) | 0.96 |
| BMI | 1.0 (0.95 to 1.02) | 0.46 | 0.97 (0.92 to 1.02) | 0.24 |
| Heart failure | 1.53 (0.8 to 2.96) | 0.20 | 1.35 (0.63 to 2.9) | 0.78 |
| FEV1 | 1.0 (0.98 to 1.01) | 0.65 | 0.99 (0.97 to 1.02) | 0.80 |
| HMV | 1.1 (0.56 to 2.1) | 0.80 | 1.26 (0.54 to 2.9) | 0.58 |
BMI, body mass index; FEV1, forced expiratory volume in 1 s; HMV, home mechanical ventilation.