Table 2. Multivariate logistic regression of walking independence.
| Factor | Model 1 | Model 2 | Model 3 | ||||||
| OR (95% CI) | P value | VIF | OR (95% CI) | P value | VIF | OR (95% CI) | P value | VIF | |
| TMI on admission | 1.86 (1.28–2.72) | <0.001 | 1.10 | − | − | − | 1.25 (1.05–1.48) | 0.012 | 1.74 |
| ASMI on admission | − | − | − | 1.46 (1.01–2.12) | 0.011 | 1.87 | 1.16 (0.74–1.82) | 0.530 | 2.12 |
| Age | 0.97 (0.93–1.01) | 0.098 | 1.07 | 0.97 (0.94–1.01) | 0.160 | 1.08 | 0.98 (0.94–1.02) | 0.330 | 1.08 |
| Sex | 0.49 (0.25–0.96) | 0.039 | 1.12 | 0.32 (0.14–0.73) | <0.001 | 1.69 | 0.23 (0.08–0.62) | 0.004 | 1.77 |
| MMSE-J on admission | 1.18 (1.09–1.28) | <0.001 | 1.16 | 1.19 (1.10–1.29) | <0.001 | 1.19 | 1.16 (1.06–1.28) | <0.001 | 1.25 |
| MNA-SF on admission | 0.94 (0.81–1.08) | 0.360 | 1.26 | 0.92 (0.79–1.06) | 0.240 | 1.43 | 0.91 (0.76–1.09) | 0.300 | 1.40 |
| FIM on admission | 1.04 (1.01–1.06) | <0.001 | 1.31 | 1.03 (1.01–1.06) | 0.003 | 1.33 | 1.03 (1.00–1.06) | 0.042 | 1.38 |
| Length of hospital stay | 0.99 (0.98–1.00) | 0.100 | 1.01 | 0.99 (0.97–1.00) | 0.056 | 1.04 | 0.99 (0.98–1.01) | 0.270 | 1.05 |
| Rehabilitation volume | 1.03 (1.01–1.04) | 0.002 | 1.05 | 1.03 (1.01–1.04) | 0.001 | 1.06 | 1.05 (1.03–1.07) | <0.001 | 1.09 |
For sex, male is coded as 0, female is coded as 1. Model 1, AUC 0.86 (95% CI 0.81–0.90), Hosmer-Lemeshow test P=0.69; Model 2, AUC 0.85 (95% CI 0.80–0.90), Hosmer-Lemeshow test P=0.72; Model 3, AUC 0.87 (95% CI 0.82–0.92), Hosmer-Lemeshow test P=0.81.
VIF, variance inflation factor.