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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