Fig. 2From: Lung-protective mechanical ventilation for patients undergoing abdominal laparoscopic surgeries: a randomized controlled trialIntraoperative EtCO2 in the two groups with interval of 15 min from T0 (after intubation) to T14 (3.5 h after intubation). Data are reported as mean ± SD. p < 0.05 versus CV groupBack to article page