Table 4 Quantitative comparison between pre- and post-contrast FLAIR as well as post-contrast T1 & post-contrast FLAIR in terms of lesion-to-background contrast ratio
Lesion-to-background contrast ratio | Mean ± SD | Median (Range) | Test of significance |
|---|---|---|---|
NC-FLAIR | 0.348 ± 0.25 | 0.3 (0.29–1.0) | z = 7.77 p < 0.001* |
CE-FLAIR | 1.059 ± 0.61 | 0.96 (0.23–3.04) | |
CE-FLAIR | 1.059 ± 0.61 | 0.96 (0.23–3.04) | z = 7.53 p < 0.001* |
CE-T1WI | 0.389 ± 0.33 | 0.30 (0.05–1.27) |