Table 4.

Sensitivity, specificity, positive predictive value, negative predictive value, and accuracy of prediction for poorly differentiated hepatocellular carcinoma using CT findings

CT findings	Sensitivity	Specificity	PPV	NPV	Accuracy
All HCCs
Enhancement with non-enhanced area	85%	76%	34%	97%	77%
Tumor stain washout in the venous phase	94%	47%	23%	98%	54%
Both findings positive	79%	80%	40%	96%	80%
Small HCCs (3 cm or less)
Enhancement with non-enhanced area	75%	90%	48%	97%	88%
Tumor stain washout in the venous phase	100%	55%	22%	100%	60%
Both findings positive	75%	92%	55%	97%	90%

CT, computed tomography; PPV, positive predictive value; NPV, negative predictive value; HCC, hepatocellular carcinoma.