RPOA | Dysplasia | OA | AVN | |
---|---|---|---|---|
Age at operation | 72.1 ± 7.80 | 62.6 ± 6.27 (P = 0.001*) | 67.4 ± 11.7 (P = 0.208) | 55.1 ± 9.51 (P = 0.000*) |
Sex (Male: Female) | 6: 10 | 3: 12 (P = 0.433) | 3: 11 (P = 0.440) | 19: 8 (P = 0.055) |
Side (Left: Right) | 7: 11 | 9: 9 (P = 0.738) | 6: 9 (P = 1.000) | 17: 13 (P = 0.372) |
LLD on initial film (mm) | 1.67 ± 2.74 | 8.29 ± 7.23 (P = 0.002*) | 3.05 ± 3.53 (P = 0.255) | 5.53 ± 5.07 (P = 0.009*) |
LLD on final film (mm) | 21.5 ± 9.37 | 12.6 ± 11.6 (P = 0.016*) | 6.14 ± 3.48 (P = 0.000*) | 7.98 ± 7.49 (P = 0.000*) |
Pelvic tilt | 0.485 ± 0.133 | 0.638 ± 0.092 (P = 0.001*) | 0.597 ± 0.129 (P = 0.023*) | 0.637 ± 0.090 (P = 0.000*) |
Wiberg angle (degree) | 36.4 ± 8.84 | 14.9 ± 5.65 (P = 0.000*) | 34.4 ± 7.08 (P = 0.487) | 38.1 ± 6.84 (P = 0.470) |
Tonnis angle (degree) | 8.35 ± 3.35 | 16.6 ± 4.91 (P = 0.000*) | 5.27 ± 4.96 (P = 0.046*) | 4.23 ± 4.08 (P = 0.001*) |