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Table 11 Inter-rater agreement

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

Question

No. of studies

Gwet’s AC1/Gwet’s AC2

95% CI

p-value

1

16

0.73

0.43, 1.00

< 0.001

2

16

0.83

0.64, 1.00

< 0.001

3

16

0.68

0.40, 0.96

< 0.001

4

16

0.58

0.34, 0.83

< 0.001

5

16

0.72

0.38, 1.00

< 0.001

6

16

0.56

0.18, 0.95

0.006

7

16

0.91

0.81, 1.00

< 0.001

8

16

0.61

0.35, 0.87

< 0.001

9

16

0.87

0.69, 1.00

< 0.001

10

16

0.67

0.36, 0.97

< 0.001

11

12

0.49

0.02, 0.96

0.042

12

12

0.34

− 0.12, 0.80

0.133

13

16

0.43

0.03, 0.84

0.038

14

16

0.22

− 0.23, 0.66

0.321

15

12

0.58

0.16, 0.99

0.011

16

16

0.15

− 0.25, 0.55

0.444

  1. Fifteen missing ratings. Italicised areas are considered the critical questions