. Author manuscript; available in PMC: 2017 Aug 1.

Published in final edited form as: J Knee Surg. 2015 Nov 20;29(6):458–463. doi: 10.1055/s-0035-1564723

Table 2.

Significant Factors Driving Graft Type used for Revision ACL Reconstruction

Variable	Favors choice of ALLOGRAFT	Odds Ratio (lower 0.95, upper 0.95)	Chi-squared (X²)	P value
Surgeon	Individual surgeon choice:		149.14	< 0.0001
	Favors Autograft	28.6 (7.2, 111.1)
	Favors Allograft	31.9 (3.8, 272.0)
Prior Graft Type	Autograft	3.6 (2.0, 6.2)	21.10	< 0.0001
Age	Older age	3.6 (1.6, 7.9)	20.28	< 0.0001
MCL/PM Repair	Concurrent MCL/PM repair	7.4 (2.4, 22.3)	12.36	0.0004
Surgeon Opinion of Failure	^*	2.9 (1.1, 7.8)	16.85	0.0184
	^**	6.6 (1.6, 27.6)
	^***	3.1 (1.6, 6.2)
Revision Number	2^nd time revisions	3.0 (1.6, 5.9)	11.40	0.0033
Gender	female	1.8 (1.3, 2.7)	10.12	0.0015
Surgeon Failure	Surgeon’s own failure vs. not	2.0 (1.3, 3.2)	9.34	0.0022

Key:

(Biologic+Traumatic) vs. (Biologic only); where (Biologic+Traumatic) group favors allograft.

^**

(Other) vs. (Biologic); where (Other) group favors allograft.

^***

(Traumatic) vs. (Biologic); where (Traumatic) group favors allograft.