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. Author manuscript; available in PMC: 2009 Sep 17.
Published in final edited form as: Neuroimage. 2008 May 24;42(2):568–581. doi: 10.1016/j.neuroimage.2008.05.022

Table 4.

Age-corrected group comparison of metrics in whole brain, transcallosal fibers, and cingulate bundles.

Metric Healthy Controls (n=18) VCI (n=14) F(1,29) p
Whole brain
     NS 12713± 2112 11628 ± 2804 3.86 .059
     NNS 13055 ± 1583 11226 ± 2580 8.96 .006
     TL (mm) 397170 ± 84975 331754± 102162 6.49 .016
     ATL (mm) 31 ± 3 28 ± 3 8.70 .006
     NTL (mm) 408273 ± 78982 320580 ± 97119 9.97 .004
     TWLCL (mm) 104108 ± 24599 81525 ± 28112 8.61 .006
     NTWLCL (mm) 107068 ± 23948 78854 ± 26689 11.78 .002
     TWLFA (mm) 189134 ± 45313 149674 ± 51852 8.15 .008
     NTWLFA (mm) 194255 ± 42582 144716 ± 48999 11.61 .002
     Average FA .4367 ± .0170 .4144 ± .0255 11.61 .002
Transcallosal fibers
     NNS 723 ± 98 558 ± 160 12.45 .001
     NTL (mm) 44462± 9888 29864 ± 11810 13.86 .001
     NTWLCL (mm) 46369 ± 12634 29145 ± 11388 14.25 .001
     NTWLFA (mm) 24078 ± 5698 15461 ± 6855 14.69 .001
     Average FA .4780 ± .0406 .4539± .0371 5.26 .029
Left cingulum bundle
     NNS 51 ± 20 42 ± 20 2.54 .112
     NTL (mm) 3197± 1590 2864 ± 1874 .49 .491
     NTWLCL (mm) 879 ± 456 799 ± 614 .29 .593
     NTWLFA (mm) 1573 ± 802 1387 ± 1012 .53 .474
     Average FA .4752 ± .0352 .4640 ± .0340 .92 .345
Right cingulum bundle
     NNS 44 ± 15 40 ± 19 .93 .342
     NTL (mm) 2828 ± 1131 2550 ± 1457 .70 .408
     NTWLCL (mm) 859 ± 366 728 ± 449 1.35 .255
     NTWLFA (mm) 1449 ± 592 1249 ± 765 1.16 .290
     Average FA .4751 ± .0352 .4658 ± .0356 .681 .416