Table 3 Results of cup angles accuracy.
Frequency of absolute difference of inclination ≥5° (postoperative CT-preoperative plan) | Frequency of absolute difference of anteversion 5° (postoperative CT-preoperative plan) | |
|---|---|---|
Treated side | ||
Right | 9.1% (6/66) | 4.5% (3/66) |
Left | 10.2% (5/49) | 16.3% (8/49) |
p-value | 0.592 | 0.052 |
Odds (95% CI) | 0.88 (0.25–3.07) | 0.24 (0.06–1.00) |
Surgical approach | ||
Anterior | 10.3% (3/29) | 17.2% (5/29) |
Posterior | 9.3% (8/86) | 7.0% (6/86) |
p-value | 0.559 | 0.141 |
Odds (95% CI) | 1.13 (0.28–4.56) | 2.78 (0.78–9.91) |
Acetabular shape | ||
DDH | 12.9% (4/31) | 16.1% (5/31) |
Non-DDH | 8.3% (7/84) | 7.1% (6/84) |
p-value | 0.484 | 0.284 |
Odds (95% CI) | 1.63 (0.44–6.01) | 2.50 (0.70–8.88) |
