Table 3.

ROI analysis of MD and FA of knee measurements¹. See text for details and figure 4 for the used ROIs.

	Cartilage	Muscle 1	Muscle 2	Synovial fluid
	Mean ± Std	Mean ± Std	Mean ± Std	Mean ± Std
6 directions
MD Grid	1.77 ± 0.54	1.75 ± 0.39	1.51 ± 0.41	3.01 ± 0.23
MD PI-CS DWI	2.09 ± 0.61	1.89 ± 0.36	1.68 ± 0.38	3.24 ± 0.25
MD Model DWI	1.77 ± 0.54	1.75 ± 0.39	1.51 ± 0.41	3.01 ± 0.23
MD Model DTI	1.75 ± 0.44	1.75 ± 0.26	1.50 ± 0.26	2.96 ± 0.14
30 directions
MD Grid	1.78 ± 0.56	1.80 ± 0.35	1.65 ± 0.41	2.93 ± 0.35
MD PI-CS DWI	2.07 ± 0.60	1.93 ± 0.32	1.85 ± 0.35	3.08 ± 0.27
MD Model DWI	1.78 ± 0.56	1.80 ± 0.35	1.65 ± 0.40	2.93 ± 0.35
MD Model DTI	1.78 ± 0.53	1.80 ± 0.31	1.65 ± 0.36	2.92 ± 0.33
6 directions
FA Grid	0.42 ± 0.21	0.38 ± 0.14	0.47 ± 0.18	0.17 ± 0.06
FA PI-CS DWI	0.50 ± 0.23	0.40 ± 0.14	0.47 ± 0.15	0.24 ± 0.08
FA Model DWI	0.42 ± 0.21	0.38 ± 0.13	0.47 ± 0.18	0.17 ± 0.06
FA Model DTI	0.34 ± 0.17	0.31 ± 0.11	0.38 ± 0.13	0.13 ± 0.05
30 directions
FA Grid	0.24 ± 0.16	0.23 ± 0.08	0.26 ± 0.10	0.12 ± 0.07
FA PI-CS DWI	0.29 ± 0.19	0.24 ± 0.08	0.25 ± 0.09	0.16 ± 0.07
FA Model DWI	0.24 ± 0.16	0.23 ± 0.08	0.26 ± 0.10	0.12 ± 0.07
FA Model DTI	0.22 ± 0.16	0.23 ± 0.07	0.25 ± 0.09	0.11 ± 0.07

¹MD values are given in units of μm²/ ms. FA values are dimensionless.