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Table 4 Content validity: ratings of iHOT12-Gr items by six experts on a 4-point scalea

From: International Hip Outcome Tool (12-items) as health-related quality-of-life measure in osteoarthritis: validation of Greek version

Item Expert 1 Expert 2 Expert 3 Expert 4 Expert 5 Expert 6 Number of Experts in agreement (items rated 3 or 4) Item-level Content Validity Index
1 4 4 4 4 4 4 6 1.00
2 4 3 4 4 3 4 6 1.00
3 4 4 4 4 4 4 6 1.00
4 4 4 4 4 4 4 6 1.00
5 3 4 4 4 4 4 6 1.00
6 2 3 4 3 3 4 5 0.83
7 4 4 4 4 4 4 6 1.00
8 4 4 4 4 4 4 6 1.00
9 3 3 4 2 3 4 5 0.83
10 4 4 4 3 4 4 6 1.00
11 4 4 4 3 4 4 6 1.00
12 4 4 4 3 4 4 6 1.00
         bS-CVI/Ave = 0.97
         cS-CVI/UA = 0.83
  1. a4-Point Rating Scale: 1 = not relevant, 2 = somewhat relevant, 3 = quite relevant, 4 = highly relevant
  2. bAverage scale’s content validity index
  3. cScale-level content validity index, universal agreement calculation method among experts