Table 5.

Multivariate logistic regression analysis with increased odds of needing THA

Variable	Odds ratio	95% Confidence interval	p
Age at arthroscopy	3.6	1.2–11.5	0.024*
> 40 versus ≤ 40 years
Gender (male versus female)	—	—	0.134
Acetabular Outerbridge grade	20	4.6–87.0	< 0.0001*
Grades III–IV versus Normal–II
Femoral head Outerbridge grade	58.1	6.4–528	< 0.0001*
Grades III–IV versus Normal to II
Presence of a labral tear	—	—	0.312

* Statistically significant.