Fig. 2From: Comparison of volume-controlled ventilation mode and pressure-controlled ventilation with volume-guaranteed mode in the prone position during lumbar spine surgeryPeak airway pressure at each measurement timepoint in each groupData are displayed as ranges, medians, and interquartile ranges. VCV, volume controlled ventilation; PCV-VG, pressure-controlled ventilation with volume guaranteed mode. *p < 0.05 compared with the VCV group at the same time pointBack to article page