Table 2.

Group differences of diffusivities based on individual fiber tractography

FCsFtM transsexualsMtF transsexualsMCs
n23232122
AD (10−3mm2/s)
    Right CST1.12 ± 0.05c,d1.09 ± 0.051.08 ± 0.05a1.06 ± 0.05a
    Left CST1.09 ± 0.05c,d1.06 ± 0.061.04 ± 0.05a1.03 ± 0.05a
    Fmajor1.35 ± 0.091.32 ± 0.071.29 ± 0.081.32 ± 0.10
    Fminor1.31 ± 0.071.30 ± 0.091.32 ± 0.071.30 ± 0.08
RD (10−3mm2/s)
    Right CST0.46 ± 0.03d0.45 ± 0.030.45 ± 0.030.43 ± 0.02a
    Left CST0.44 ± 0.030.43 ± 0.030.42 ± 0.030.42 ± 0.03
    Fmajor0.47 ± 0.060.46 ± 0.040.47 ± 0.050.46 ± 0.07
    Fminor0.37 ± 0.080.35 ± 0.06c0.42 ± 0.08b0.38 ± 0.07
MD (10−3mm2/s)
    Right CST0.68 ± 0.04d0.67 ± 0.03d0.66 ± 0.030.64 ± 0.03a,b
    Left CST0.66 ± 0.04c,d0.64 ± 0.040.63 ± 0.03a0.62 ± 0.03a
    Fmajor0.77 ± 0.060.75 ± 0.050.74 ± 0.050.75 ± 0.07
    Fminor0.68 ± 0.050.66 ± 0.04c0.72 ± 0.05b0.68 ± 0.06
FA
    Right CST0.54 ± 0.020.54 ± 0.020.54 ± 0.030.55 ± 0.02
    Left CST0.55 ± 0.020.55 ± 0.020.55 ± 0.030.55 ± 0.02
    Fmajor0.61 ± 0.030.61 ± 0.030.59 ± 0.040.61 ± 0.04
    Fminor0.67 ± 0.070.69 ± 0.06c0.63 ± 0.07b0.66 ± 0.07
  • Group comparisons were done using ANOVA and post hoc pairwise t test for AD, RD, MD, and FA.

  • aSignificant difference to FCs, p < 0.05, Bonferroni's corrected.

  • bSignificant difference to FtM transsexuals, p < 0.05, Bonferroni's corrected.

  • cSignificant difference to MtF transsexuals, p < 0.05, Bonferroni's corrected.

  • dSignificant difference to MCs, p < 0.05, Bonferroni's corrected.