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Table 3 The inter-rater agreement between the three raters for AMSTAR-2

From: A comparison of two assessment tools used in overviews of systematic reviews: ROBIS versus AMSTAR-2

Question Number of studies Gwet’s AC1/Gwet’s AC2 95% CI
1 31 0.69 0.48, 0.91
2 31 0.93 0.85, 1.00
3 31 0.55 0.30, 0.80
4 31 0.66 0.51, 0.81
5 31 0.70 0.47, 0.94
6 31 0.60 0.35, 0.86
7 31 0.97 0.94, 1.00
8 31 0.39 0.21, 0.56
9 31 0.65 0.46, 0.84
10 31 0.84 0.67, 1.00
11 19 0.54 0.19, 0.89
12 19 0.40 0.05, 0.75
13 31 0.52 0.27, 0.78
14 31 0.19 -0.08, 0.47
15 19 0.61 0.28, 0.94
16 31 0.34 0.06, 0.63
  1. Italicised questions are considered critical by the tool authors