Cross-sectional analysis (N=90): mean scores for each subdomain and for the total score for each reader and for each reading of the radiographs read in single order and reliability analysis by ICC (95% CI)
| Mean (SD) (range) | Intra-reader reliability ICC (95% CI) | Inter-reader reliability ICC (95% CI) | |||
|---|---|---|---|---|---|
| Variable | Reader | Reading 1 | Reading 2 | Reading 1 – reading 2 | Reading 1 – reading 1 |
| SCh bone | 1 | 67.0 (20.8) (10–100) | 71.2 (18.5) (20–100) | 0.73 (0.62 to 0.82) | 0.71 (0.60 to 0.80) |
| 2 | 71.0 (22.0) (20–100) | 71.3 (21.7) (20–100) | 0.98 (0.97 to 0.99) | ||
| SCh plate | 1 | 57.2 (27.3) (0–100) | 59.3 (26.3) (0–100) | 0.89 (0.83 to 0.92) | 0.85 (0.78 to 0.90) |
| 2 | 62.6 (24.7) (0–100) | 62.1 (24.2) (0–100) | 0.98 (0.97 to 0.99) | ||
| JT space | 1 | 35.8 (34.2) (0–100) | 36.8 (33.7) (0–100) | 0.90 (0.85 to 0.93) | 0.88 (0.83 to 0.92) |
| 2 | 43.0 (35.5) (0–100) | 42.9 (35.6) (0–100) | 0.99 (0.99 to 0.99) | ||
| Total score | 1 | 160.0 (69.0) (10–300) | 167.3 (66.3) (20–300) | 0.92 (0.88 to 0.95) | 0.89 (0.84 to 0.93) |
| 2 | 176.6 (69.2) (20–300) | 176.3 (68.2) (20–300) | 0.99 (0.99 to 0.99) | ||
Reader 1, GV; reader 2, RW.
ICC, intraclass coefficient of correlation; JT, joint; SCh, subchondral.