Table 5.

Relationship between AVN and clinical and radiographic outcomes: results of the univariate and multivariate analyses

Outcomes	Univariate p-value	Odds ratio	95 % CI	Multivariate p-value	Odds ratio	95 % CI
Acetabular index angle at final follow-up	0.59	1.0	0.95–1.09
Center edge angle at final follow-up	0.11	1.0	0.93–1.01	0.13	1.0	0.88–1.02
Excellent/good vs. fair/poor clinical outcome	0.011	0.2	0.38–0.65	0.049	0.2	0.04–0.99
Additional surgery required	0.06	2.6	0.95–7.27	0.034	4.6	1.12–18.62

Variables included in the multivariate model if univariate p-value <0.15 [34]