Table 4.

Cutoff Values by Subgroup With Sensitivity, Specificity, Likelihood Ratios, and Odds Ratio With 95% Confidence Intervals^a

Variable	Area Under the Curve (95% Confidence Interval)	P Value	Cutoff Value	Sensitivity	Specificity	+Likelihood Ratio	−Likelihood Ratio	Odds Ratio (95% Confidence Interval)
Total cohort
Quadriceps peak torque LSI	0.692 (0.627, 0.757)	<.001c	69.4%	0.644	0.664	1.927	0.536	3.57 (2.12, 6.00)
Hamstrings peak torque	0.576 (0.506, 0.646)	.037	1.11 Nm/kg	0.397	0.773	1.749	0.78	2.12 (1.21, 3.96)
Both peak torque metrics metb								3.81 (1.75, 8.29)
Quadriceps average power LSI	0.698 (0.583, 0.812)	.004	71.4%	1.00	0.429	1.751	0.000	2.00 (1.54, 2.60)
Patellar tendon graft type
Quadriceps peak torque LSI	0.717 (0.643, 0.791)	.001	61.6%	0.826	0.526	1.743	0.331	5.28 (2.73, 10.21)
Hamstrings peak torque	0.567 (0.485, 0.649)	.117
Hamstrings tendon graft type
Quadriceps peak torque LSI	0.726 (0.602, 0.850)	.002	71.8%	0.903	0.529	1.917	0.183	10.50 (2.64, 41.24)
Hamstrings peak torque	0.599 (0.458, 0.739)	.172
Age > 18 y
Quadriceps peak torque LSI	0.612 (0.479, 0.745)	.109
Hamstrings peak torque	0.585 (0.447, 0.722)	.225
Age < 18 y
Quadriceps peak torque LSI	0.720 (0.645, 0.794)	<.001	74.3%	0.544	0.819	3.006	0.557	5.22 (2.58, 10.56)
Hamstrings peak torque	0.592 (0.510, 0.675)	.034	1.10 Nm/kg	0.360	0.819	1.989	0.781	2.55 (1.25, 5.20)
Both peak torque metrics metb								16.98 (2.24, 128.99)

Abbreviation: LSI, limb symmetry index.

^aNonsignificant receiver operating characteristic analyses are not shown.

^bOdds ratio when meeting both quadriceps peak torque LSI and hamstrings peak torque cutoff value.

^cBold indicates a statistically significant value as determined by P < .05.