Table 2.
Multivariate analysis in people over 65 years of age for 30-day mortality, readmission, and re-presentation using univariate survival models
| 30-day mortality | 30-day readmission | 30-day re-presentation | 30-day poor outcome | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| HR (95% IC) | p-value | Coeff | Weight | HR (95% IC) | p-value | Coeff | Weight | HR (95% IC) | p-value | Coeff | Weight | HR (95% IC) | p-value | Coeff | Weight | |
| Sex, male | 1.302 (1.151–1.473) | <0.0001 | 0.264 | 1 | 1.31 (1.189–1.444) | <0.0001 | 0.160 | 1 | 1.157 | 0.0005 | 0.146 | 1 | 1.173 (1.112–1.238) | <0.0001 | 0.16 | 2 |
| Age (y) | ||||||||||||||||
| 65–74 | Ref. | Ref. | Ref. | 0 | Ref. | Ref. | Ref. | 0 | - | - | - | - | Ref. | Ref. | Ref. | 0 |
| 75–84 | 1.232 (1.026–1.480) | 0.0258 | 0.209 | 1 | 1.092 (0.969–1.230) | 0.4171 | 0.027 | 1 | - | - | - | - | 1.027 (0.963–1.095) | 0.4171 | 0.027 | - |
| ≥85 | 1.862 (1.552–2.233) | <0.0001 | 0.622 | 2 | 1.291 (1.131–1.474) | 0.0093 | 0.097 | 2 | - | - | - | - | 1.102 (1.024–1.186) | 0.0093 | 0.097 | 1 |
| Arrival (ambulance) | 3.209 (2.794–3.686) | <0.0001 | 1.166 | 6 | 1.285 (1.154–1.432) | <0.0001 | 0.176 | 6 | - | - | - | - | 1.192 (1.122–1.267) | <0.0001 | 0.176 | 2 |
| Charlson Comorbidity Index (≥3) | 1.952 (1.716–2.220) | <0.0001 | 0.669 | 3 | 2.06 (1.863–2.278) | <0.0001 | 0.428 | 3 | 1.43 (1.344–1.522) | <0.0001 | 0.358 | 2 | 1.535 (1.452–1.622) | <0.0001 | 0.428 | 4 |
| Barthel index | ||||||||||||||||
| Independent | Ref. | Ref. | Ref. | 0 | Ref. | Ref. | Ref. | 0 | Ref. | Ref. | Ref. | 0 | Ref. | Ref. | Ref. | 0 |
| Mild-moderate dependence | 1.989 (1.693–2.338) | <0.0001 | 0.688 | 3 | 1.504 (1.338–1.691) | <0.0001 | 0.276 | 3 | 1.233 (1.151–1.321) | <0.0001 | 0.210 | 1 | 1.317 (1.234–1.407) | <0.0001 | 0.276 | 3 |
| Severe dependence | 3.174 (2.660–3.787) | <0.0001 | 1.155 | 6 | 1.785 (1.509–2.112) | <0.0001 | 0.441 | 6 | 1.201 (1.087–1.327) | 0.0003 | 0.183 | 1 | 1.555 (1.423–1.699) | <0.0001 | 0.441 | 5 |
| Dementia (yes) | - | - | - | - | 0.724 (0.616–0.851) | <0.0001 | -0.322 | 1 | - | - | - | - | - | - | - | - |
| C-index (95% IC) | 0.81 (0.80–0.82) | 0.66 (0.64–0.67) | 0.57 (0.56–0.58) | 0.61 (0.60–0.62) | ||||||||||||
| Score c-index (95% IC) | 0.81 (0.80–0.82) | 0.65 (0.64–0.66) | 0.56 (0.55–0.57) | 0.60 (0.59–0.51) | ||||||||||||
| Bootstrap validation c-index (95% IC) | 0.81 (0.80–0.82) | 0.66 (0.65–0.67) | 0.57 (0.56–0.58) | 0.60 (0.59–0.61) | ||||||||||||
| Bootstrap validation score c-index (95% IC) | 0.81 (0.80–0.82) | 0.65 (0.64–0.66) | 0.56 (0.55–0.57) | 0.60 (0.59–0.61) | ||||||||||||
Multivariate analysis in people over 65 years of age for 30-day mortality, readmission, and re-presentation using univariate survival models.