Table 2.

Radiographic JSW and MRI Articular Cartilage Data From the ACLR and Control Groups are Presented as Average Values With 95% Confidence Intervals (CI) for Each Compartment, and Each Sex

	MRI Cartilage Thickness AVE ± 95 CI	Radiographic JSW AVE ± 95% CI	Diff	Bland–Altman Lower Limit of Agreement	Bland–Altman Upper Limit of Agreement	R2	Slope	Intercept
	(mm)	(mm)	(mm)	(mm)	(mm)			(mm)
ACLR - Cases
Female
Medial	3.96±0.30	3.45±0.25	0.51	−0.44	1.46	0.61	0.66	0.82
Lateral	4.68 ± 0.42	5.00 ± 0.27	−0.32	−1.89	1.26	0.45	0.43	3.0
Male
Medial	4.89 ± 0.32	3.64 ± 0.36	1.25	−0.51	3.01	0.12	0.83	1.79
Lateral	5.82 ± 0.49	5.55 ± 0.43	0.27	−2.64	3.17	0.1	0.1	5.55
Controls
Female
Medial	3.68 ± 0.45	3.32 ± 0.31	0.36	−0.51	1.22	0.64	0.55	1.31
Lateral	4.49 ± 0.49	5.11 ± 0.39	−0.62	−1.77	0.53	0.47	0.54	2.68
Male
Medial	4.62 ± 0.40	3.99 ± 0.19	0.63	−0.68	1.95	0.03	0.08	3.62
Lateral	5.16 ± 0.30	5.83 ± 0.30	−0.67	−1.83	0.49	0.07	0.27	4.46

The findings from the Bland–Altman analysis are presented as the average difference (bias) between the radiographic JSW and MRI cartilage thickness with the corresponding lower and upper limits of agreement for each sex and each compartment. In addition, the coefficient of determination, the (R²), and linear regression coefficients between radiographic JSW and MRI-based measurement of articular cartilage thickness in the ACLR and control groups are presented.