Table 4.

Multivariable logistic regression analysis

	B	S.E	Wald	df	p	OR	95% CI for OR
							Lower	Upper
Variables in the equation
Surgical center	1.06	0.451	5.49	1	0.019	2.876	1.189	6.96
Constant	− 2.48	0.347	50.88	1	< 0.001	0.084	N/A	N/A
Variables not in the equation
Age at ACLRb	N/Aa	N/A	0.46	1	0.499	N/A	N/A	N/A
Sex	N/A	N/A	2.41	1	0.120	N/A	N/A	N/A
Time from injury to ACLRc	N/A	N/A	1.93	1	0.165	N/A	N/A	N/A
Graft diameterd	N/A	N/A	0.66	1	0.416	N/A	N/A	N/A

^aN/A = Not Applicable

^bDichotomized above 13 years (yes/no)

^cDichotomized more than 5 months (yes/no)

^dDichotomized smaller than 8 mm (yes/no)