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Table 4 Results of receiver operating curves (ROC curves) for volumetric changes among the nonlesional conventional MRI studied groups (N = 60)

From: Magnetic resonance imaging (MRI) volumetry in children with nonlesional epilepsy, does it help?

Volumetric changes Indices
Sensitivity Specificity PPV NPV Accuracy Cutoff value AUC P value
Brain volume 65% 60% 76.5% 46% 57% 1200 0.575 0.38
Grey matter 75% 100% 100% 66.7% 87% 875.27 0.865 0.001*
White matter 85% 100% 100% 76.9% 97% 270.84 0.970 < 0.0001*
Total hippocampus 25% 100% 100% 40% 61% ≤ 3.71 0.612 0.23
Hippocampus CA4-DG 100% 100% 100% 100% 100% ≤ 0.15 1 < 0.0001*
Hippocampus subiculum 100% 100% 100% 100% 100% ≤ 0.62 1 < 0.0001*
Thalamus 55% 100% 100% 52% 65% ≤ 10.8 0.650 0.048*