Table 2 Results of average cup angles.
Radiographic inclination (°) | Radiographic anteversion (°) | |
---|---|---|
Preoperative plan | 40 | 19.2 ± 1.9 |
Navigation record | 40.1 ± 2.0 | 18.8 ± 2.5 |
Postoperative measurement | 39.6 ± 2.6 | 18.7 ± 3.1 |
p-value (pre-plan vs post-measure) | 0.937 | 0.140 |
Absolute difference (postoperative CT-preoperative plan) | 1.8 ± 2.0 | 1.9 ± 2.3 |