Table 5.
Multivariate Logistic Regression of Variables Predicting Mortality
| Variable | Odds Ratio | 95% CI | p value |
|---|---|---|---|
| Depressive disorders | 4.32 | 1.99 to 9.33 | 0.0002 |
| Charlson Comorbidity index | 1.24 | 1.03 to 1.49 | 0.02 |
| Previous psychiatric history | 0.85 | 0.38 to 1.90 | 0.69 |
| Age | 1.06 | 1.02 to 1.09 | 0.001 |
| Etiology of respiratory failure | |||
| âPost operative | 0.58 | 0.23 to 1.49 | 0.26 |
| âAcute lung injury | 1.11 | 0.44 to 2.80 | 0.82 |
| âCOPD | 0.89 | 0.19 to 4.17 | 0.88 |
| âNeuromuscular | 0.66 | 0.16 to 2.63 | 0.55 |
| Duration of mechanical ventilation before transfer | 1.00 | 0.99 to 1.02 | 0.17 |
| APACHE II | 1.06 | 0.97 to 1.16 | 0.22 |
| Anxiolytics | 0.99 | 0.96 to 1.02 | 0.57 |
| Antidepressants | 0.95 | 0.92 to 0.99 | 0.007 |
| Transient delirium | 0.38 | 0.18 to 0.83 | 0.02 |