TABLE 3.
Differences in the gray matter volume (mm3) of multiple regions of interest between tinnitus and non-tinnitus participants.
| Region of interest | Gray matter volume (mm3) |
Test | p-value* | |
| Tinnitus | No tinnitus | |||
| Lobules I–IV | 3,376 ± 471 | 3,421 ± 433 | t-test | 0.487 |
| Lobule V | 4,130 ± 554 | 4,085 ± 530 | t-test | 0.557 |
| Lobule VI | 8,831 (2,905) | 8,629 ± 1,135 | Mann-Whitney U | 0.69 |
| Vermis VI | 1,882 ± 261 | 1,860 ± 244 | t-test | 0.558 |
| Crus I | 13,153 ± 1,785 | 13,087 ± 1,698 | t-test | 0.788 |
| Vermis crus I | 19 ± 5 | 19 ± 5 | t-test | 0.995 |
| Crus II | 9,544 ± 1,366 | 9,448 ± 1,176 | t-test | 0.595 |
| Vermis crus II | 403 ± 59 | 399 ± 54 | t-test | 0.613 |
| Lobule VIIb | 4,930 ± 720 | 4,894 ± 614 | t-test | 0.706 |
| Vermis VIIb | 174 ± 26 | 176 ± 27 | t-test | 0.534 |
| Lobule VIIIa | 4,908 ± 712 | 4,864 ± 604 | t-test | 0.637 |
| Vermis VIIIa | 1,127 ± 161 | 1,127 ± 161 | t-test | 0.986 |
| Lobule VIIIb | 4,168 ± 572 | 4,088 ± 517 | t-test | 0.299 |
| Vermis VIIIb | 579 ± 87 | 572 ± 75 | t-test | 0.56 |
| Lobule IX/tonsil | 3,369 ± 504 | 3,317 ± 459 | t-test | 0.44 |
| Vermis IX | 698 ± 103 | 700 ± 98 | t-test | 0.902 |
| Lobule X/(P)FL-complex | 697 ± 97 | 681 ± 89 | t-test | 0.215 |
| Vermis X | 369 ± 72 | 365 ± 64 | t-test | 0.689 |
| Dentate nucleus | 1,563 ± 246 | 1,539 ± 232 | t-test | 0.473 |
| Interposed nucleus | 214 ± 37 | 208 ± 33 | t-test | 0.257 |
| Fastigial nucleus | 39 ± 8 | 38 ± 7 | t-test | 0.788 |
Data are presented as mean ± SD or median (interquartile range), depending on normality. *p-values < 0.05/21 = 0.0024 are considered significant.