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Table 12 Correlation between language and tract-specific measurements

From: White matter connectivity in children with autism spectrum disorders: a tract-based spatial statistics study

  Number of streamlines Length of streamlines Volume
  r value p value r value p value r value p value
CC .25 .25 -.06 .79 .24 .28
Cing left -.11 .63 -.09 .67 .25 .25
Cing right .24 .27 .14 .53 .21 .35
DAF left .18 .41 .08 .70 .18 .42
DAF right -.17 .45 -.08 .71 -.08 .71
IAAF left -.06 .79 .55 .006** .15 .48
IAAF right .11 .63 .55 .009** .28 .21
IPAF left .03 .89 .14 .51 .05 .82
IPAF right -.05 .80 -.29 .18 -.10 .64
  Fractional anisotropy Mean diffusivity   
  r value p value r value p value   
CC .14 .53 -.58 .005**   
Cing left -.05 .83 -.20 .36   
Cing right .16 .47 -.03 .89   
DAF left -.04 .87 .26 .25   
DAF right -.002 .99 -.28 .25   
IAAF left .18 .42 -.48 .02*   
IAAF right -.18 .42 -.30 .17   
IPAF left .07 .75 -.29 .18   
IPAF right .18 .41 -.39 .07   
  Parallel diffusivity Perpendicular diffusivity   
  r value p value r value p value   
CC -.58 .005** -.46 .03*   
Cing left .29 .19 -.16 .47   
Cing right .12 .60 .34 .12   
DAF left -.38 .08 -.21 .34   
DAF right .25 .29 -.17 .48   
IAAF left -.41 .06 -.43 .04*   
IAAF right .05 .82 -.33 .13   
IPAF left -.27 .20 -.26 .22   
IPAF right -.07 .74 .17 .43   
  1. ASD: Autism Spectrum Disorder; CC: corpus callosum; Cing: cingulum; DAF: direct segment of the arcuate fasciculus; IAAF: indirect anterior segment of the arcuate fasciculus; IPAF: indirect posterior segment of the arcuate fasciculus. r: Pearson’s correlation coefficient.
  2. * Statistically significant at the threshold uncorrected p < .05.
  3. ** Significance level at the threshold uncorrected p < .01.