Table 3.

7T T1_ρ and T2 relaxation values for the healthy control, osteoarthritis, cartilage lesion positive (+), and cartilage lesion negative (−) groups for the six segmented cartilage compartments used in the study.

		LFC	MFC	LT	MT	PAT	TRO	Average
T1p	CNT	40.2 ± 2.9	41.6 ± 3.9	38.9 ± 5.5	37.9 ± 4.6	42.3 ± 3.5	42.0 ± 5.7
	OA	44.4 ± 3.7	43.5 ± 3.8	42.0 ± 5.4	37.3 ± 4.3	50.5 ± 6.7	47.5 ± 5.7
	p	0.0707	0.286	0.434	0.864	0.0551	0.148
	Effect size	0.298	0.145	0.105	0.018	0.339	0.225	0.188
	CL−	42.1 ± 3.5	42.3 ± 3.9	40.4 ± 5.8	37.4 ± 4.5	47.2 ± 7.0	45.7 ± 6.1
	CL+	48.2 ± 2.1	44.2 ± 3.8	42.9 ± 4.1	38.7 ± 1.7	48.0 ± 7.3	42.5 ± 1.7
	p	0.0305	0.374	0.48	0.691	0.819	0.506
	Effect size	0.260	0.047	0.032	0.010	0.004	0.028	0.063
T2	CNT	28.0 ± 2.0	28.1 ± 2.5	27.3 ± 3.8	27.4 ± 2.8	28.0 ± 2.6	28.1 ± 2.3
	OA	31.0 ± 2.7	31.0 ± 3.8	29.4 ± 3.9	29.1 ± 4.0	31.0 ± 3.9	30.8 ± 2.7
	p	0.0616	0.149	0.52	0.341	0.209	0.0638
	Effect size	0.294	0.212	0.079	0.126	0.178	0.291	0.196
	CL−	29.4 ± 2.4	29.1 ± 2.9	28.3 ± 4.1	28.3 ± 3.8	29.4 ± 3.7	30.0 ± 2.9
	CL+	34.8 ± 1.9	32.2 ± 4.7	30.4 ± 2.8	29.7 ± 2.4	30.5 ± 3.8	28.3 ± 1.0
	p	0.00682	0.107	0.419	0.636	0.549	0.434
	Effect size	0.358	0.146	0.039	0.013	0.021	0.036	0.102

Data are presented as mean ± standard deviation.

CL = cartilage lesion; CNT = control; LFC = lateral femoral condyle; LT = lateral tibial; MFC = medial femoral condyle; MT = medial tibial; OA = osteoarthritis; PAT = patella; TRO = trochlea.