Table 8.
Reported interobserver reliability for radiographic version measurements
| Study | Measurement modality compared | Interobserver reliability intraclass correlation coefficient | Mean error +/− SD for interobserver reliability |
|---|---|---|---|
| Hassan et al. [8] | Acetabular component version from AP radiograph of ex vivo cup | 0.97–0.99 | |
| Kalteis et al. [11] | Acetabular component version from AP radiograph of pelvis | 2.3° +/− 2.3° | |
| Liaw et al. [16] | Acetabular component version from AP radiograph of pelvis | 1.0° +/− 0.7° | |
| Liaw et al. [17] | Acetabular component version from AP radiograph of pelvis | 0.5° +/− 0.7° | |
| Hayakawa et al. [[9] | Acetabular component version from AP radiograph of pelvis | 1.4° +/− 3.1° | |
| Ghelman et al. [7] | Acetabular component version from cross-table lateral radiograph | 0.96 | 2.4° +/− 2.4° |
| Current study | Acetabular component version from cross-table lateral radiograph | 0.99 | 1.28° +/− 1.7° |