Kupffer Phase Radiomics Signature in Sonazoid-Enhanced Ultrasound is an Independent and Effective Predictor of the Pathologic Grade of Hepatocellular Carcinoma

Table 3

Prediction performance on w-HCC versus m/p-HCC.

Radiomic score	AUC	Accuracy	Sensitivity	Specificity
GrayRS	0.496 (0.304, 0.688)	85.3% (77.9%, 91.2%)	25.0% (7.1%, 45.5%)	98.2% (94.7%, 100.0%)
APRS	0.329 (0.152, 0.508)	82.4% (75.0%, 89.7%)	16.7% (0.00%, 35.7%)	96.4% (92.5%, 100.0%)
KPRS	0.878 (0.719, 1.000)	97.1% (92.6%, 100.0%)	83.3% (62.5%, 100.0%)	100.0% (100.0%, 100.0%)

grayRS: grayscale radiomic score; APRS: arterial phase radiomic score; KPRS: Kupffer phase radiomic score.