Fig. 3From: Liberal or conservative oxygen therapy for ventilated patients in the ICU: a meta-analysis of randomized controlled trialsa The forest plot of mortality in ICU between LOT and COT. b The forest plot of the length of ICU days between LOT and COT. c The forest plot of the mechanical ventilation-free days between LOT and COT. LOT liberal oxygen therapy, COT conservative oxygen therapy, RR relative riskBack to article page