Variables | Before PSM | After PSM |
|---|
| Â | HR | (95% CI) | P-value | HR | (95% CI) | P-value |
|---|
Model 1 | 0.714 | 0.545–0.936 | 0.015 | 0.643 | 0.466–0.889 | 0.007 |
Model 2 | 0.741 | 0.563–0.975 | 0.032 | 0.638 | 0.462–0.882 | 0.007 |
Model 3 | 0.711 | 0.539–0.938 | 0.016 | 0.646 | 0.467–0.894 | 0.008 |
Model 4 | 0.701 | 0.531–0.925 | 0.012 | 0.636 | 0.459–0.881 | 0.006 |
Model 5 | 0.706 | 0.536–0.930 | 0.013 | 0.630 | 0.455–0.873 | 0.005 |
- Adjusted covariates: Model 1 = gender + age at admission + ethnicity + comorbidities (cancer, diabetes, sepsis, chronic obstructive pulmonary disease, hypertension, acute pancreatitis, acute renal failure) Model 2 = Model 1 + clinical scoring systems(Sequential Organ Failure Assessment score measured within 24 h, Simplified Acute Physiology Score II, Oxford Acute Severity of Illness Score) Model 3 = Model 2 + vital signs upon admission (mean heart rate, mean blood pressure, mean respiratory rate, minimum PaO2/FiO2 ratio at diagnosis) Model 4 = Model 3 + treatment interventions (use of vasopressors, mechanical ventilation, RRT, CRRT) Model 5 (Lasso Regression Selected Variables) = gender + age at admission + cancer + diabetes + sepsis + acute pancreatitis + acute renal failure + Sequential Organ Failure Assessment score measured within 24 h + Simplified Acute Physiology Score II + Oxford Acute Severity of Illness Score + mean heart rate + mean respiratory rate + mechanical ventilation + CRRT + mean blood pressure
