| Model 1 | Model 2 | Model 3 | Model 4 | Mode1 5 |
---|---|---|---|---|---|
Age | 1.01 (0.99–1.03) | 1.01 (0.98–1.02) | 1.00 (0.98–1.03) | 1.01 (0.98–1.03) | 1.00 (0.98–1.02) |
Male gender | 1.39 (0.95–2.05) | 1.35 (0.92–1.99) | 1.38 (0.94–2.04) | 1.44 (0.97–2.12) | 1.41 (0.95–2.08) |
Early comprehensive geriatric screen | 0.66* (0.45–0.98) | 0.66* (0.45–0.97) | 0.67* (0.45–0.98) | 0.64* (0.43–0.94) | 0.64* (0.43–0.95) |
Charlson comorbidity index ≥3 |  | 1.85* (1.24–2.75) |  |  | 1.64* (1.09–2.46) |
Barthel index score at admission ≤35 |  |  | 1.6* (1.07–2.37) |  | 1.23 (0.80–1.90) |
Length of stay ≥10 days |  |  |  | 1.53* (1.03–2.27) | 1.42 (0.95–2.15) |
No. of admissiona, | |||||
 1–3 vs 0 |  |  |  | 1.3 (0.88–1.98) | 1.16 (0.76–1.77) |
 4+ vs 0 |  |  |  | 3.6* (1.84–6.87) | 2.92* (1.49–5.74) |