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 |