Fig. 3From: Lower versus higher oxygen targets for out-of-hospital cardiac arrest: a systematic review and meta-analysisSecondary outcomes. Favorable modified Rankin scale score A, Median neuron-specific enolase at 48 h B, Favorable Cerebral Performance Category score C, Length of hospital stay D; M–H Mantel–Haenszel, CI Confidence interval, df Degrees of freedomBack to article page