TABLE 1:
Mean MT ratio histogram-derived metrics of whole-brain tissue, NAWM, and NAGM for the nine patients with CTX and the 10 control subjects
| Variable | Control Subjects | Patients with CTX | P Value* |
|---|---|---|---|
| Whole brain | |||
| MT ratio (%) | 58.0 (0.5) | 56.2 (1.4) | .005 |
| MT ratio peak height† | 82.9 (7.4) | 73.2 (7.0) | .006 |
| MT ratio peak position (%) | 60.3 (0.6) | 59.8 (1.2) | NS |
| NAWM | |||
| MT ratio (%) | 63.4 (0.4) | 62.2 (1.3) | .01 |
| MT ratio peak height† | 171.9 (18.5) | 134.7 (17.8) | <.001 |
| MT ratio peak position (%) | 60.8 (0.4) | 60.5 (1.0) | NS |
| NAGM | |||
| MT ratio (%) | 58.1 (0.9) | 55.4 (2.2) | .003 |
| MT ratio peak height† | 92.1 (13.0) | 67.8 (14.1) | .001 |
| MT ratio peak position (%) | 56.1 (0.8) | 55.7 (1.0) | NS |
Note.—Numbers in parentheses are SD.
*
NS indicates not significant.
†
These data are normalized pixel count.