Images | SNR | CNR | |||
---|---|---|---|---|---|

GM | WM | GM-WM | Lesion-GM | Lesion-WM | |

Source | |||||

MP Rage | 23.1 ± 5.2 | 27.8 ± 5.0 | 4.8 ± 1.5 | 16.3 ± 10.2 | 11.8 ± 10.3 |

VIBE | 26.1 ± 5.4 | 32.0 ± 6.3 | 5.9 ± 2.2 | 20.2 ± 11.3 | 14.3 ± 12.0 |

P value | .001 | <.001 | <.001 | .002 | .053 |

5-mm Reformations | |||||

MP RAGE | 73.8 ± 14.6 | 89.2 ± 15.1 | 15.4 ± 4.1 | 38.9 ± 26.3 | 25.1 ± 26.1 |

VIBE | 77.5 ± 14.5 | 94.2 ± 16.3 | 16.8 ± 4.4 | 46.1 ± 26.4 | 30.0 ± 28.3 |

T1-weighted SE | 96.1 ± 11.0 | 106.4 ± 10.1 | 10.2 ± 4.9 | 64.1 ± 37.9 | 54.1 ± 39.1 |

P value^{*} | <.001^{†} | <.001^{†} | <.001^{†} | <.001^{‡} | <.001^{†} |

Note.—Data are mean ratios ± SD.

↵*

*P*values are based on analysis of variance.↵† Paired Student

*t*test demonstrated no significant difference between 5-mm VIBE and MP RAGE reformations.↵‡ Student

*t*test demonstrated a statistically significant difference between each pairing of images obtained with the three imaging methods.