Table 5 Results of 3D cup position accuracy.
Frequency of absolute difference of distance ≥ 3 mm on coronal or axial plane (postoperative CT-preoperative plan) | |
---|---|
Treated side | |
Right | 16.7% (11/66) |
Left | 10.2% (5/49) |
p-value | 0.239 |
Odds (95% CI) | 1.76 (0.57–5.44) |
Surgical approach | |
Anterior | 31.0% (9/29) |
Posterior | 8.1% (7/86) |
p-value | 0.004 |
Odds (95% CI) | 5.07 (1.69–15.30) |
Acetabular shape | |
DDH | 12.9% (4/31) |
Non-DDH | 14.3% (12/84) |
p-value | 0.559 |
Odds (95% CI) | 0.89 (0.26–2.99) |