Table 3:

Mean difference (SD) and 95% limits of agreement of the FA values (×10³) for the ROI analysis between the 2 sessions, as well as measurement error and repeatability for the serial FA measurements in healthy subjects

Anatomic Structure	b-Value	Mean Difference (SD)	95% Limits of Agreement	Within-Subject SD	Within-Subject Coefficient of Variation, %	Repeatability Coefficient	Significant Change for a Single Subject, %
Right internal capsule anterior limb	1000	−18.4 (95.71)	−206 to 169.2	17	1.3	13	19
	700	−27 (88.03)	−145 to 199.5	40	6	11	16
Right internal capsule genu	1000	74.7 (99.31)	−119.9 to 269.4	16	1.2	11	16
	700	−5.7 (130.17)	−260.9 to 249.4	26	3	9	10
Right internal capsule posterior limb	1000	16.9 (35.48)	−52.6 to 86.5	13	0.6	7	7
	700	9.5 (28.99)	−47.3 to 66.3	14	2	5	5
Corpus callosum genu	1000	−22.2 (41.42)	−103.4 to 59.0	12	0.4	4	4
	700	12.9 (49.71)	−84.5 to 110.3	22	3	6	7
Corpus callosum splenium	1000	10.6 (43.98)	−103.4 to 59.0	20	2	7	6
	700	−22.7 (37.51)	−92.9 to 50.9	21	2	6	7
Left internal capsule anterior limb	1000	−4.1 (59.45)	−199.0 to 190.8	51	6	12	18
	700	−20.7 (43.58)	−106.2 to 64.0	40	6	13	17
Left internal capsule genu	1000	−8.5 (66.63)	−139.2 to 122.0	33	4	8	11
	700	−3.4 (80.07)	−160.4 to 153.5	46	5	11	15
Left internal capsule posterior limb	1000	23.0 (52.81)	−80.5 to 126.5	31	3	7	19
	700	28.3 (28.3)	−41.0 to 97.5	22	2	6	7
Right corticospinal tract	1000	74.7 (99.31)	−119.9 to 269.4	60	8	16	24
	700	−6.7 (130.17)	−260.9 to 249.4	62	10	17	27
Left corticospinal tract	1000	54.9 (99.27)	−139.7 to 249.5	51	7	15	20
	700	−11.5 (131.9)	−139.7 to 247.1	63	9	18	26
Right thalamus	1000	36.5 (29.32)	−20.9 to 94.0	22	6	16	17
	700	10.9 (56.26)	−95.4 to 117.3	26	8	7	21