Table 4 Interobserver reproducibility of joint space width measurements
View | Observer | Baseline JSW reading 1 (mm; mean ± SD) | Mean of difference (mm; mean ± SD) | ICC (95% CI) | Joint space change from M0 to M36 in reading 1 (mm) | ICC (95% CI) |
|---|---|---|---|---|---|---|
Pelvic | 1 | 2.33 ± 0.81 | -0.34 ± 0.52 | 0.80 (0.52–0.91) | -0.40 ± 0.65 | 0.79 (0.65–0.88) |
2 | 2.67 ± 1.07 | -0.54 ± 0.66 | ||||
Hip AP | 1 | 2.41 ± 0.86 | -0.27 ± 0.39 | 0.88 (0.66–0.95) | -0.39 ± 0.61 | 0.87 (0.78–0.93) |
2 | 2.69 ± 1.05 | -0.49 ± 0.66 | ||||
Oblique | 1 | 2.37 ± 0.79 | -0.31 ± 0.61 | 0.72 (0.50–0.85) | -0.46 ± 0.59 | 0.86 (0.76–0.92) |
2 | 2.69 ± 1.00 | -0.47 ± 0.67 |