Fig. 4. Length of stay (LOS) in the intensive care unit (ICU) and in the hospital with the different anesthetic protocols used. Data are expressed as median with 25% and 75% confidence bars, and 5% and 95% confidence intervals. Compared with the propofol group, LOS was significantly lower in the SEVO all group. * Statistically significant difference with the propofol group (  P < 0.05).