|
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
| |
- Shown is the interobserver reproducibility of joint space width (JSW) measurements between the two readers for the three radiographic views. AP, anteroposterior; CI, confidence interval; ICC, intraclass coefficient of correlation; SD, standard deviation.
