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. 2014 Sep 10;4:8. doi: 10.1186/2045-5380-4-8

Table 4.

Group differences in FA in AFQ-identified fiber tracts

AFQ fiber group CTL FA
MDD FA
p value
M SD M SD
Left corticospinal tract
0.620
0.020
0.644
0.020
<0.002
Right corticospinal tract 0.614 0.021 0.639 0.015 <0.001

p values were computed using two-sample t-tests and a false discovery rate (FDR) procedure was used to account for false positives as a result of multiple comparisons. See Figure 1 for corticospinal tract (CST) renderings and graphical display of differences.

AFQ automated fiber quantification, MDD major depressive disorder, CTL control, FA fractional anisotropy, M mean, SD standard deviation.