Table 3 Comparison of signal ratios between DIR versus FLAIR and DIR versus T2 in all studied cases. Data were expressed as median (range)
Signal ratio | DIR | T2–WI | P value | FLAIR | P 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/CSF | 0.67 (0.54/0.84) | 0.003 (− 0.02/0.02) | < 0.001** | 0.60 (0.43/0.77) | 0.071 |
Lesion/NAGM | 0.08 (0.05/0.22) | 0.07 (0.05/0.22) | 0.221 | 0.09 (− 0.09/0.23) | 0.169 |