Evidence-based radiologist-supervised automated Liver Imaging Reporting and Data System categorization for the diagnosis of hepatocellular carcinoma

Table 2 Performance of arterial phase hyper-enhancement, washout, and capsule classification

Data sets and metrics	APHE	Washout	Capsule
Center 1
AUC	0.975	0.803	0.759
Sensitivity, %	94.4	85.0	76.5
Specificity, %	100.0	77.3	67.9
Accuracy, %	95.2	82.3	72.6
F1 score	0.971	0.861	0.754
Center 2
AUC	0.898	0.824	0.800
Sensitivity, %	89.0	90.9	68.2
Specificity, %	91.7	70.7	92.7
Accuracy, %	89.4	81.2	80.0
F1 score	0.935	0.833	0.779
Center 3
AUC	0.940	0.850	0.784
Sensitivity, %	91.6	80.0	73.2
Specificity, %	66.7	83.3	68.8
Accuracy, %	89.4	80.8	71.2
F1 score	0.941	0.865	0.732

APHE: Arterial phase hyper-enhancement; AUC: Area under the receiver operating characteristic curve.