- EcoFlow software played a role in early predictions for risk of hypoxemia (97.2 ± 19.6 minutes from the warning of EcoFlow) - The average sevoflurane consumption per minute in LFA of Group N0.5 was lower than that of group N1 (0.14 ± 0.03 ml / min compared to 0.19 ± 0.05 ml / min), with p <0.001.