TABLE 2.

Univariable Logistic Regression Analysis^a

Parameter	Comparison	P Value	OR (95% CI)	AUC	AIC
Age, y	As 1 unit goes up	0.0298	0.991 (0.983-0.999)	0.689	293.852
Lateral PTS, deg	As 1 unit goes up	0.0658	1.036 (0.998-1.076)	0.662	295.218
Medial PTS, deg	As 1 unit goes up	0.1357	1.031 (0.991-1.073)	0.633	296.415
Raceb	Black vs white	0.0023	0.299 (0.104-0.859)	0.636	287.558
	Asian vs white	0.0072	4.301 (1.594-11.602)	0.636	287.558
	Other vs white	0.1613	2.267 (0.918-5.596)	0.636	287.558
	Unknown vs white	0.8434	1.215 (0.603-2.448)	0.636	287.558
Side	Right vs left	0.2793	0.807 (0.547-1.19)	0.545	296.104
Sex	Male vs female	0.3565	1.209 (0.807-1.811)	0.55	297.813

^aAIC, Akaike information criterion; AUC, area under the curve; OR, odds ratio.

^bType 3, P = .006.