Skip to main content

Table 3 Lesion to background contrast ratio

From: Role of contrast-enhanced FLAIR MRI in diagnosis of intracranial lesions

Background contrast ratio Mean±SD Median (range) Test of significance
NC FLAIR 0.342±0.25 0.3 (− 0.31 , 1.0) z = 8.0
p < 0.001*
CE FLAIR 1.08±0.60 0.97 (0.20-3.0)
NC T1 − 0.13±0.15 − 0.13 (− 0.60,0.43) z = 7.57
p < 0.001*
CE T1 0.40±0.34 0.33 (− 0.05 , 1.2)
  1. CE FLAIR contrast-enhanced FLAIR MRI, NC FLAIR non-contrast-enhanced FLAIR MRI, CE T1 contrast-enhanced T1-weighted image, NC T1 non-contrast-enhanced T1-weighted image. Z: Wilcoxon signed-rank test