Results of the Cox proportional hazards analysis for in-hospital mortality (n=10 968)
Variables | HR | 95% CI | P value |
Group (reference: type 1 ICUs) | |||
Type 2 ICUs | 1.12 | 1.04 to 1.21 | <0.01 |
HCUs | 1.17 | 1.08 to 1.26 | <0.001 |
Age category (reference: 18–59) (years) | |||
60–69 | 1.19 | 1.06 to 1.35 | <0.01 |
70–79 | 1.31 | 1.17 to 1.46 | <0.001 |
80+ | 1.73 | 1.55 to 1.93 | <0.001 |
Vasopressors | 1.97 | 1.82 to 2.12 | <0.001 |
Mechanical ventilation | 2.12 | 1.98 to 2.26 | <0.001 |
Renal replacement therapy | 1.49 | 1.40 to 1.59 | <0.001 |
Hospital admission (reference: non-emergency) | 1.80 | 1.64 to 1.97 | <0.001 |
HCU, high care unit; ICU, intensive care unit.