Class of Recommendation and Levels of Evidence for the 2015 Guidelines Update: Demonstrating the Gap in Resuscitation Science
Class of Recommendation LOE A LOE B-R LOE B-NR LOE C-LD LOE C-EO Total
I 0 8 17 27 28 80
IIa 0 12 12 40 10 74
IIb 0 23 11 80 26 140
III: No Benefit 2 3 0 0 0 5
III: Harm 0 1 4 3 7 15
Total 2 47 44 150 71 314
Legend: LOE, Level of Evidence; NR, non-randomized; R, randomized;