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Table 3 Comparison of signal ratios between DIR versus FLAIR and DIR versus T2 in all studied cases. Data were expressed as median (range)

From: Diagnostic accuracy of double inversion recovery in delineation of multiple sclerosis lesions and its clinical correlation with expanded disability scoring system

Signal ratioDIRT2–WIP valueFLAIRP value
Lesion/NAWM (IT)0.65 (0.52/0.82)0.16 (0.07/0.25)< 0.001**0.13 0.10/0.34)< 0.001**
Lesion/NAWM (PVWM)0.845 (0.74/0.98)0.21 (0.06/0.36)< 0.001**0.18 (0.12/0.28)< 0.001**
Lesion/NAWM (DWM)0.92 (0.89/0.97)0.06 (0.04/0.08)< 0.001**0.24 (0.20/0.30)< 0.001**
Lesion/NAWM (JC)0.78 (0.60/0.98)0.14 (0.09/0.19)< 0.001**0.16 (0.11/0.21)< 0.001**
Lesion/CSF0.67 (0.54/0.84)0.003 (− 0.02/0.02)< 0.001**0.60 (0.43/0.77)0.071
Lesion/NAGM0.08 (0.05/0.22)0.07 (0.05/0.22)0.2210.09 (− 0.09/0.23)0.169
  1. **Highly significant value