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Clusters of abnormal fractional anisotropy
| mTBI mean (sd) |
mTBI+PTSD mean (sd) |
HC mean (sd) |
|
|---|---|---|---|
| Absolute Clusters | 5.90 (1.25) | 6.28 (0.92) | 6.53 (1.61) |
| Positive Clusters | 5.11 (1.58) | 5.08 (1.22) | 4.52 (1.22) |
| Negative Clusters1 | 3.18 (1.45) | *4.19 (1.57) | 3.23 (1.03) |
Note: mean number of clusters were square-root transformed to account for positive skew of original distribution;
one outlying value omitted from mTBI and HC groups;
Significantly different from other groups (p < .05).
