Safety of 80% vs 30–35% fraction of inspired oxygen in patients undergoing surgery: a systematic review and meta-analysis Katharina Mattishent, Menaka Thavarajah, Ashnish Sinha, Adam Peel, Matthias Egger, Joseph Solomkin, Stijn de Jonge, Asad Latif, Sean Berenholtz, Benedetta Allegranzi, Yoon Kong Loke British Journal of Anaesthesia Volume 122, Issue 3, Pages 311-324 (March 2019) DOI: 10.1016/j.bja.2018.11.026 Copyright © 2018 World Health Organization Terms and Conditions
Fig 1 Flowchart of study selection. British Journal of Anaesthesia 2019 122, 311-324DOI: (10.1016/j.bja.2018.11.026) Copyright © 2018 World Health Organization Terms and Conditions
Fig 2 Pooled risk ratio for adverse events. CI, confidence interval; M-H, Mantel-Haenszel. British Journal of Anaesthesia 2019 122, 311-324DOI: (10.1016/j.bja.2018.11.026) Copyright © 2018 World Health Organization Terms and Conditions
Fig 3 Pooled risk ratio for death, including short- and long-term follow-up. British Journal of Anaesthesia 2019 122, 311-324DOI: (10.1016/j.bja.2018.11.026) Copyright © 2018 World Health Organization Terms and Conditions