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Table 2 Comparison between DIR and FLAIR regarding the number of lesions, mean, and SD in the 32 patients

From: Comparative study between double inversion recovery (DIR) and fluid-attenuated inversion recovery (FLAIR) MRI sequences for detection of cerebral lesions in multiple sclerosis

 

FLAIR

DIR

P value

No.

Mean

SD

No.

Mean

SD

Total number of lesions in all patients

1469

45.9

1.42

1690

52.81

1.71

< 0.001

Number of periventricular lesions

362

11.31

8.07

379

11.84

8.07

< 0.001

Number of deep white matter lesions

802

25.06

22.01

802

25.06

22.01

1

Number of juxtacortical lesions

151

4.72

5.30

157

4.91

5.43

0.102

Number of cortical lesions

45

1.41

1.76

228

7.13

7.19

< 0.001

Number of infratentorial lesions

72

2.25

2.18

93

2.91

2.66

0.002

Number of cranio-cervical junction lesions

10

0.31

0.64

9

0.28

0.63

0.317

Number of corpus callosum lesions

27

0.84

1.25

22

0.69

1.12

0.025