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Table 4 Comparison between different MRI pulse sequences (T2, Flair and DIR) as regarding detection rate and number of cortical grey matter lesions among studied 40 MS patients:

From: Diagnostic accuracy of double inversion recovery (DIR) in detection of cortical gray matter lesions in patients with MS

Variable T2
sequence
Flair
sequence
DIR
sequence
P value
Detection rate of cortical grey matter lesions (intracortical and leukocortical) 9(22.5%) 20(50%) 24(60%)  
Number of cortical grey matter lesions (6–11) ^
8 ± 1.7^^
(2–20) ^
10.7 ± 5.2^^
(1–22) ^
10.6 ± 6.5^^
 < 0.001*
  1. ^ Range, ^^ Mean ± SD
  2. Repeated measures ANOVA test
  3. Significant level at P value < 0.05