Table 2.

Comparisons of Limb Ultrasound Measures

Outcome Measure	Group	No.	Mean ± SD	Comparison With Uninjured Control Limb			Comparison With Contralateral Limb
				t46 Value	P Value	Cohen d Value	t19 Value	P Value	Cohen d Value
Medial condyle thickness, mm	ACLR limb	20	2.61 ± 0.61	2.69	.01a	0.79	2.78	.01a	0.46
	Contralateral limb	20	2.36 ± 0.47	1.12	.27	0.33
	Uninjured control limb	28	2.22 ± 0.40
Lateral condyle thickness, mm	ACLR limb	20	2.46 ± 0.65	2.20	.03a	0.65	2.02	.06	0.42
	Contralateral limb	20	2.24 ± 0.37	1.03	.31	0.30
	Uninjured control limb	28	2.12 ± 0.41
Intercondylar thickness, mm	ACLR limb	20	2.46 ± 0.66	1.79	.08	0.53	1.99	.06	0.30
	Contralateral limb	20	2.29 ± 0.47	0.88	.39	0.27
	Uninjured control limb	28	2.16 ± 0.49
Cross-sectional area, mm2	ACLR limb	20	96.68 ± 22.68	2.17	.04a	0.64	4.47	<.001a	0.50
	Contralateral limb	20	85.69 ± 17.57	0.22	.83	0.06
	Uninjured control limb	28	84.62 ± 15.89

Abbreviation: ACLR, anterior cruciate ligament reconstruction.

^aDifference between limbs (P < .05).