Table 3 Accuracy of implant placement
Cup inclination | Cup anteversion | Stem antetorsion | CA | |
|---|---|---|---|---|
Intraoperative navigation measurement (°) | 39.7 (3.7) | 17.3 (6.7) | 25.2 (8.5) | 34.9 (6.5) |
Postoperative CT measurement (°) | 39.2 (4.2) | 16.9 (6.3) | 25.8 (8.7) | 34.6 (7.7) |
P value | 0.36 | 0.58 | 0.67 | 0.80 |
Absolute error (°) | 2.3 (2.1) | 2.1 (2.0) | 3.0 (2.4) | 3.5 (3.2) |