A gadoxetic acid-enhanced MRI-based model using LI-RADS v2018 features for preoperatively predicting Ki-67 expression in hepatocellular carcinoma

Table 4 Predictive performance of the model

Appearance	AUC	95%CI	Sensitivity	95%CI	Specificity	95%CI
Mosaic architecture	0.727	0.639, 0.804	88.89	75.9, 96.3	56.58	44.7, 67.9
Infiltrated appearance	0.619	0.526, 0.706	77.78	62.9, 88.8	46.05	34.5, 57.9
Targetoid HBP	0.575	0.482, 0.665	75.56	60.5, 87.1	39.47	28.4, 51.4
Model A	0.781	0.696, 0.851	75.56	60.5, 87.1	77.63	66.6, 86.4
Model B	0.746	0.659, 0.821	88.89	75.9, 96.3	56.58	44.7, 67.9
Model C	0.669	0.578, 0.752	60.00	44.3, 74.3	71.05	59.5, 80.9
Model D	0.776	0.691, 0.847	84.44	70.5, 93.5	63.16	51.3, 73.9

Model A: mosaic architecture and infiltrated appearance
Model B: mosaic architecture and targetoid HBP
Model C: infiltrated appearance and targetoid HBP
Model D: mosaic architecture, infiltrated appearance and targetoid HBP
Abbreviations: AUC the areas under the receiver operating characteristic curves (AUC), CI confidence interval, HBP hepatobiliary phase

ISSN: 1471-2342