Table 2.
Literature review for intrarater reliability
| Parameters | Clohisy et al. [8] | Nelitz et al. [26] | Jamali et al. [14] | Tannast et al. [36] | Tannast et al. [40] | Steppacher et al. [34] | Kalberer et al. [15] | Gosvig et al. [12] | Current study | |
|---|---|---|---|---|---|---|---|---|---|---|
| MDC | ||||||||||
| Pelvic rotation | K = 0.57 | ICC = 0.96 | ICC = 0.73-0.83 | 1.5–2.3 mm | ||||||
| Pelvic tilt | K = 0.55 | ICC = 0.96 | ICC = 0.76 | ICC = 0.94–0.99 | 3.1–4.4 mm | |||||
| Femoral head diameter | ICC = 0.97 | ICC = 0.90–0.96 | 2.4–3.1 mm | |||||||
| Length of acetabulum | ICC = 0.95 | ICC = 0.96–0.97 | 2.7 mm | |||||||
| Fossa to ilioischial line (acetabular depth) | ICC = 0.86–0.95 | 2.5–3.9 mm | ||||||||
| Neck-shaft angle (CCD) | ICC = 0.76 | ICC = 0.94–0.95 | 4.8–15.9° | |||||||
| Tonnis angle (acetabular inclination) | K = 0.73 | ICC = 0.86 | ICC = 0.74 | ICC = 0.88–0.95 | 2.0–5.5° | |||||
| Sharp’s angle | ICC = 0.70 | ICC = 0.55–0.84 | 3.4–4.3° | |||||||
| Lateral CEA | ICC = 0.88 | ICC = 0.97 | ICC = 0.86–0.97 | 3.0–6.0° | ||||||
| Alpha angle (Notzli et al. [27]) | ICC = 0.90 | ICC = 0.96–0.98 | 5.8–8.0° | |||||||
| Extrusion index | ICC = 0.73 | ICC = 0.94 | ICC = 0.80–0.96 | 3.5–4.4° | ||||||
| Tonnis score | K = 0.60 | K = 0.73 | AdjK = 0.95–1.00 | |||||||
| Femoral rotation | AdjK = 1.00–1.00 | |||||||||
| Ischial spine sign | ICC = 0.92 | AdjK = 1.00–1.00 | ||||||||
| Cross-over sign | K = 0.698 | K = 0.73 | ICC = 0.83 | AdjK = 0.95–1.00 | ||||||
| Sphericity | AdjK = 0.92–0.95 | |||||||||
| Os acetab/rim fracture | AdjK = 1.00–1.00 | |||||||||
| Femoral bump | K = 0.30 | AdjK = 0.95–1.00 | ||||||||
| Herniation pit | AdjK = 0.87–1.00 | |||||||||
| Linear indentation sign | AdjK = 0.95–1.00 | |||||||||
CCD = center-collum-diaphysis angle; CEA = center edge angle; ICC = intraclass correlation coefficient; AdjK = adjusted kappa; MDC = minimal detectable change.