Table 2:

Lesion count and sensitivity of prospective and retrospective MRI scoringa

Lesion TypeHistologyProspective MRIRetrospective MRI
CountT2WIT2*WIP ValueT2WIT2*WIP Value
I148 (57)2 (14)14 (100)13 (93)
II163 (19)5 (31)13 (81)10 (63)
III435 (12)5 (12)32 (74)36 (84)
IV2511 (44)4 (16)22 (88)23 (92)
GML (I–IV)9827 (28)16 (16).05481 (83)82 (84).803
GML (II–IV)8419 (23)14 (17).38067 (80)69 (82)0.608
WML76 (86)3 (43)7 (100)7 (100)
Total10533 (31)19 (18).018b88 (84)89 (85).803
  • Note:— – indicates not statistically assessed.

  • a Sensitivity (in percentages between parentheses) was calculated by dividing the number of lesions scored in the prospective or retrospective ratings by the number of lesions assessed on histopathology, times 100%.

  • b Significant.