Table 3.

Comparison in number of detected new intrahepatic recurrence and lesion between contrast-enhanced computed tomography and contrast-enhanced ultrasound

CEUS	CECT
	Yes	No	Total
New intrahepatic recurrence
Yes	118	13	131
No	65	0	65
Total	183	13	196
Lesion
Yes	73	6	79
No	21	69	90
Total	94	75	169

Data show the numbers of detected new intrahepatic recurrence and lesion on CEUS and CECT. The χ² test with Yates’s correction indicated significant difference in detecting intrahepatic recurrence (χ² = 5.40, P = 0.02) and lesion (χ² = 8.33, P < 0.01) between CEUS and CECT. CEUS: Contrast-enhanced ultrasound; CECT: Contrast-enhanced computed tomography.