Table A1.

Results Comparing Longitudinal Change in Normal, Graft, and Integration Zone in Deep and Superficial MRI Measures.^a

MRI Zone	MRI Follow-up (Months)	Mean (ms)	Standard Error	95% Confidence Interval		P
				Lower Bound	Upper Bound
Deep portion	Normal cartilage
	6M	25.8	0.7	24.4	27.2	0.069
	12M	23.9	0.7	22.5	25.3
	24M	26.9	1.4	24.1	29.7
	Graft
	6M	50.4	1.9	46.6	54.2	<0.001
	12M	42.8	2.0	38.9	46.7
	24M	31.8	3.8	24.1	39.5
	Integration zone
	6M	41.0	1.1	38.9	43.2	<0.001
	12M	37.1	1.1	34.8	39.3
	24M	30.9	2.2	26.6	35.3
Superficial portion	Normal cartilage
	6M	32.48	0.84	30.79	34.17	0.214
	12M	30.79	0.84	29.10	32.47
	24M	33.51	1.66	30.20	36.83
	Graft
	6M	53.69	2.02	49.65	57.74	<0.001
	12M	50.07	2.06	45.95	54.18
	24M	33.80	4.04	25.72	41.88
	Integration zone
	6M	43.29	1.04	41.21	45.37	0.001
	12M	40.80	1.06	38.68	42.92
	24M	33.76	2.08	29.59	37.92

MRI = magnetic resonance imaging; 6M = 6 months; 12M = 12 months; 24M = 24 months.

^aEffectively, these are the numbers used for Figure 4A and B.