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Table 2 Average % total iCAHE scores (Standard Deviation) (over the three testers) for the six guidelines, and % total score considering all 23 questions in the AGREE II instrument, using the scoring rubric[15]

From: Efficient clinical evaluation of guideline quality: development and testing of a new tool

Guideline iCAHE Rank* AGREE II Rank
  Total % score   Total % score§  
AANN and ARN [23] 73.8 (4.1) 4 55.9 6
Barbosa [24] 71.4 (0.0) 5 56.7 5
Brain Trauma Foundation [25] 92.9 (0.0) 3 78.1 3
Golisz [26] 73.8 (14.9) + 4 74.5 4
NICE [27] 97.6 (4.1) 2 84.9 2
SIGN [28] 100.0 (0.0) 1 97.3 1
  1. *The guidelines are ranked by quality for each instrument.
  2. §NB The % total AGREE II scores have no measure of variance.
  3. +Significant differences between testers (p < 0.05) are noted in italics for the iCAHE instrument.