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Table 6 Diagnostic performance of DCE-MRI parameters with VS-GR/GRASP according to response groups

From: The value of GRASP on DCE-MRI for assessing response to neoadjuvant chemotherapy in patients with esophageal cancer

Parameters Sensitivity (%) Speciticity (%) AUC* P
VS-GR GRASP VS-GR GRASP VS-GR GRASP
Ktrans max 87.5 75.0 76.8 85.7 0.886 0.846 0.464
Ktrans mean 62.5 75.0 98.2 83.9 0.795 0.768 0.634
Ktrans 75% 62.5 75.0 98.2 78.6 0.795 0.743 0.256
Kep max 50.0 75.0 100.0 83.9 0.799 0.833 0.708
Kep mean 50.0 75.0 100.0 76.8 0.687 0.739 0.566
Kep 75% 50.0 62.5 100.0 87.5 0.656 0.694 0.658
Ve max 12.5 87.5 100.0 3.6 0.555 0.502 0.604
Ve mean 62.5 87.5 98.2 64.3 0.723 0.792 0.672
Ve 75% 75.0 75.0 78.6 67.9 0.750 0.768 0.905
Vp max 87.5 87.5 71.4 78.6 0.842 0.859 0.785
Vp mean 62.5 62.5 85.7 96.4 0.699 0.850 0.221
Vp 75% 62.5 62.5 82.1 98.2 0.683 0.855 0.211
AUC max 87.5 100.0 82.1 80.4 0.911 0.931 0.580
AUC mean 62.5 62.5 96.4 98.2 0.799 0.866 0.249
AUC 75% 62.5 62.5 96.4 98.2 0.808 0.877 0.280