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. Author manuscript; available in PMC: 2015 Jun 18.
Published in final edited form as: Invest Radiol. 2015 Apr;50(4):195–204. doi: 10.1097/RLI.0000000000000100

Table 3.

ROC analysis of parameter changes from t1 to t2.

Parameter Cutoff Sensitivity Specificity PPV AUC
LD −1.0% 0.92 0.48 0.50 0.68
ADC 5.5% 0.50 0.76 0.55 0.62
Ktrans 12.7% 1.00 0.37 0.50 0.57
kep −18.8% 0.83 0.63 0.59 0.68
ve 92.4% 1.00 0.11 0.41 0.41
vp 75.0% 1.00 0.26 0.46 0.55
kep/ADC −20.9% 0.83 0.63 0.59 0.72