Figure 2

Forrest plots.
OR: odds ratio. HR: hazard ratio. 95% CI: 95% confidence interval. M-H: Mantel-Haenzel. ICU: intensive care unit.
Forrest plots.
OR: odds ratio. HR: hazard ratio. 95% CI: 95% confidence interval. M-H: Mantel-Haenzel. ICU: intensive care unit.