CSF Space and Grade | Group | P Value | |
---|---|---|---|

Room Air (n = 25) | 100% O_{2} (n = 25) | ||

CPA cistern | <.001 | ||

0 | 7 | 0 | |

I | 16 | 3 | |

II | 2 | 22 | |

Ambient cistern | <.001 | ||

0 | 22 | 0 | |

I | 3 | 0 | |

II | 0 | 25 | |

Interpeduncular cistern | <.001 | ||

0 | 24 | 0 | |

I | 1 | 0 | |

II | 0 | 25 | |

Prepontine cistern | .004 | ||

0 | 1 | 0 | |

I | 8 | 0 | |

II | 16 | 25 | |

Quadrigeminal cistern | <.001 | ||

0 | 24 | 0 | |

I | 1 | 1 | |

II | 0 | 24 | |

Suprasellar cistern | <.001 | ||

0 | 18 | 1 | |

I | 6 | 0 | |

II | 1 | 24 | |

Convexity sulci | <.001 | ||

0 | 25 | 1 | |

I | 0 | 0 | |

II | 0 | 24 | |

Fourth ventricle | .004 | ||

0 | 15 | 6 | |

I | 8 | 16 | |

II | 2 | 3 | |

Third ventricle | .102 | ||

0 | 22 | 19 | |

I | 3 | 4 | |

II | 0 | 2 | |

Lateral ventricles | .317 | ||

0 | 21 | 21 | |

I | 4 | 3 | |

II | 0 | 1 | |

Sylvian fissures | <.001 | ||

0 | 25 | 0 | |

I | 0 | 0 | |

II | 0 | 25 |