Quantifying Liver Cirrhosis by Extracting Significant Features from MRI T2 Image

Table 3

The sensitivity, specificity, accuracy, PPV, NPV, kappa statistics, AUC, and P value of AUC are listed for QV of 2.8, 0.7, and 0.3 with respective to SD, mean, and entropy of pixel intensity in the ROI.

Performance	SD (2.8)	Mean (0.7)	Entropy (0.3)
Sensitivity	0.839	0.875	0.963
Specificity	0.839	0.900	0.857
Accuracy	0.839	0.887	0.903
PPV	0.839	0.875	0.963
NPV	0.839	0.900	0.857
Kappa	0.677	0.774	0.806
AUC	0.941	0.966	0.930
P value of AUC	2.49E−09	2.97E−10	5.83E−09