Predicting Outcome after Total Hip Arthroplasty: The Role of Preoperative Patient-Reported Measures

Table 3

Binary logistic regression for each presurgical measure for responder at each follow-up after THA.

	R-Squared	Effect Size	OR	95 CI		P-value
	6 months
HOOS	0.34	0.72	0.89	0.84	0.93	<0.001
EQ-5D°	0.05	0.23	0.99	0.97	1.00	0.06
PCS	0.19	0.48	0.89	0.83	0.95	<0.001
	1 year
HOOS	0.48	0.96	0.84	0.78	0.90	<0.001
EQ-5D°	0.09	0.31	0.98	0.96	1.00	0.01
PCS	0.27	0.61	0.86	0.79	0.92	<0.001
	2 years
HOOS	0.40	0.82	0.87	0.82	0.92	<0.001
EQ-5D°	0.08	0.29	0.98	0.96	1.00	0.02
PCS	0.16	0.44	0.90	0.84	0.96	0.001
	3 years
HOOS	0.35	0.73	0.88	0.83	0.93	<0.001
EQ-5D°	0.11	0.35	0.97	0.95	0.99	0.01
PCS	0.17	0.45	0.89	0.84	0.95	0.001

THA: total hip arthroplasty, OR: odds ratio, CI: confidence interval, HOOS: Hip Disability and Osteoarthritis Outcome Score, EQ-5D°: EuroQol multiplied by 100, PCS: Physical Component Summary of the Short Form 36 questionnaire.