Table 3.
Univariate and multivariable analysis for postoperative undercorrection assessed by LCEA < 22°
| Preoperative measurement | Postoperative LCEA < 22° (n = 16) |
Postoperative LCEA ≥ 22° (n = 112) | Unadjusted p value |
Adjusted p value | OR | 95% CI | ||
|---|---|---|---|---|---|---|---|---|
| LCEA (degrees) | 3 | ± 11 | 12 | ± 9 | 0.002 | 0.003 | 0.92 | 0.87%–0.97 |
| Anterior center-edge angle (degrees) | 13 | ± 14 | 13 | ± 11 | 0.80 | 0.64 | 0.99 | 0.94%–1.04 |
| Acetabular inclination (degrees) | 21 | ± 9 | 18 | ± 7 | 0.06 | 0.06 | 1.08 | 1%–1.18 |
| Extrusion index (%) | 39 | ± 9 | 34 | ± 10 | 0.06 | 0.10 | 1.05 | 0.99%–1.1 |
| Demographics | ||||||||
| Age (years) | 26 | ± 8 | 29 | ± 9 | 0.2 | |||
| Sex (% female) | 12 (76%) | 76% | 85 | (76%) | 0.94 | |||
| Body mass index (kg/m2) | 24 | ± 4 | 25 | ± 4 | 0.51 | |||
LCEA = lateral center-edge angle; OR = odds ratio from multivariable logistic model; CI = confidence interval; unadjusted p value corresponds to univariate logistic regression analysis; adjusted p value corresponds to the multivariable logistic models controlling for age, sex, and body mass index.