Table 4.

Crude Odds Ratios^a for Associations Between Functional Tests and Second ACL Injury at 12 Months After RTS by Graft Type

Test Variables	Hamstrings					Bone-Patellar Tendon-Bone
	No. at Risk	No. Injured (%)	AOR	95% CI	P Value	No. at Risk	No. Injured (%)	AOR	95% CI	P Value
International Knee Documentation Committee Subjective Knee Form score
≥90 (Passed)	62	10 (16.1)	1.00	Reference		24	4 (16.7)	1.00	Reference
≤89 (Failed)	24	4 (16.7)	1.08	0.3, 3.9	.90	35	6 (17.1)	1.19	0.3, 5.0	.81
Quadriceps Limb Symmetry Index
≥90 (Passed)	65	11 (16.9)	1.00	Reference		16	20 (18.8)	1.00	Reference
≤89 (Failed)	20	2 (10.0)	0.48	0.1, 2.4	.38	43	14 (16.3)	0.83	0.2, 3.8	.81
Single-legged hop for distance
≥90 (Passed)	74	11 (14.9)	1.00	Reference		37	8 (22.6)	1.00	Reference
≤89 (Failed)	10	2 (20.0)	1.18	0.2, 6.9	.85	18	2 (11.1)	0.48	0.1, 2.8	.41
Triple hop for distance
≥90 (Passed)	75	10 (13.3)	1.00	Reference		36	8 (22.2)	1.00	Reference
≤89 (Failed)	9	3 (33.3)	3.22	0.7, 15.3	.14	17	2 (11.8)	0.50	0.1, 2.8	.43
Crossover hop for distance
≥90 (Passed)	69	10 (14.5)	1.00	Reference		37	8 (21.6)	1.00	Reference
≤89 (Failed)	14	2 (14.3)	0.97	0.2, 5.1	.98	14	1 (7.1)	0.30	0.1, 2.8	.30
6-m Timed hop
≥90 (Passed)	71	11 (15.5)	1.00	Reference		43	9 (20.9)	1.00	Reference
≤89 (Failed)	12	1 (8.3)	0.49	0.1, 4.2	.51	10	1 (10.0)	0.40	0.1, 3.6	.41
Met criteria for all tests
≥90 (Passed)	39	7 (17.9)	1.00	Reference		3	2 (66.7)	1.00	Reference
≤89 (Failed)	47	7 (14.9)	0.80	0.3, 2.5	.71	56	8 (14.3)	0.08	0.1, 1.1	.06

Abbreviations: ACL, anterior cruciate ligament; AOR, adjusted odds ratio; RTS, return to sport.

^aAdjusted for sex and time (in mo) to test.