Parameters | Forte COC (n = 310) | Delta COC (n = 292) | p value |
---|---|---|---|
Acetabular component orientationa (°) | |||
 Abduction angle | 41.8 (25–57) | 42.1 (28–58) | 0.522 |
 Anteversion angle | 15.8 (4–36) | 16.2 (4–37) | 0.464 |
Femoral component positionb | 0.669 | ||
 Neutral | 302 (97) | 286 (98) | |
 Varus | 8 (3) | 6 (2) | |
 Valgus | 0 (0) | 0 (0) | |
COR positiona (mm) | |||
 Vertical | 16.9 (9.4–23.7) | 16.8 (9.2–24.0) | 0.733 |
 Horizontal | 27.7 (20.6–35.3) | 27.5 (20.1–35.2) | 0.681 |
Femoral offseta (mm) | 39.3 (32.8–49.5) | 39.7 (33.0–49.8) | 0.541 |
Hip offseta (mm) | 67.0 (53.5–79.6) | 67.2 (54.9–79.9) | 0.839 |
Leg-length discrepancya (mm)* | 2.6 (0–9.8) | 2.5 (0.1–11.2) | 0.677 |