Fig. 4From: The success of pre-hospital tracheal intubation by different pre-hospital providers: a systematic literature review and meta-analysisSuccess rates from studies describing intubation by non-physicians. CI confidence interval [42, 52, 53, 48, 11, 13–16, 18, 19, 21, 23–26, 44, 50, 54, 55, 58–60]Back to article page