Fig. 1From: Hyperoxia effects on intensive care unit mortality: a retrospective pragmatic cohort studyKaplan–Meier estimation of overall survival. Hyperoxia group, patients who presented at least one hyperoxia episode during ICU stay. No hyperoxia group, patients who presented no hyperoxia episode during ICU stay. Overall survival median in hyperoxia group 26 days (95% CI 20–NR); overall survival median in no hyperoxia group not reached. ICU intensive care unitBack to article page