NPC | Controls | Variable | P | |
---|---|---|---|---|

Age (yr, mean ± SD) | 31.22 ± 10.17 | 30.24 ± 9.78 | t = 0.252 | .805 |

Gender (M/F) | 6/3 | 17/9 | χ^{2} = 0.040 | .841 |

Total callosal area (mm^{2}) | 572.19 ± 67.33 | 702.74 ± 90.22 | t = −3.96 | <.0001 |

Bending angle (radians) | 1.66 ± 0.13 | 1.69 ± 0.10 | t = −0.75 | .472 |

Total callosal length (mm) | 97.80 ± 7.72 | 98.18 ± 5.29 | t = −0.16 | .894 |

Mean callosal width (mm) | 6.19 ± 1.01 | 7.49 ± 0.79 | t = −3.96 | <.0001 |