From: Efficacy of intraosseous access for trauma resuscitation: a systematic review and meta-analysis
Study | Selection | Comparability | Outcome | Total | |||||
---|---|---|---|---|---|---|---|---|---|
 | Representativeness of the exposed cohort | Selection of the non-exposed cohort | Ascertainment of exposure | Demonstration that outcome of interest was not present at the start of the study | Comparability of cohorts on the basis of the design or analysis | Assessment of outcome | Was follow up long enough for outcomes to occur | Adequacy of follow-up of cohorts |  |
 | * | * | * | * | ** | * | * | * | **** ***** |
Peter et al. [18] | * | * | * | * | Â | * | Â | Â | ***** |
James et al. [14] | * | * | * | * | Â | * | Â | Â | ***** |
Yun et al. [16] | * | * | * | Â | * | * | Â | Â | ***** |