Features | HR (95% CI) | P-value | PH assumption test* | |
---|---|---|---|---|
Type of patient transfer | Not-EMS | Reference | - | - |
EMS | 3.90 (1.63-9.48) | 0.002 | 0.782 | |
SpO2 (%) | >85 | Reference | - | - |
≤85 | 8.10 (2.97-22.00) | <0.001 | 0.132 | |
WBC count (×109 cells/L) for one unit increase | 1.10 (1.03-1.15) | <0.001 | 0.895 | |
Creatinine (mg/dL) for one unit increase | 1.85 (1.48-2.30) | 0.003 | 0.332 |