Differentiation of atypical hepatic hemangioma from liver metastases: Diagnostic performance of a novel type of color contrast enhanced ultrasound

Table 4 Diagnostic performance of contrast enhancement ultrasound and color parametric imaging by staff and resident radiologists (%)

Criteria	Sensitivity	P value	Specificity	P value	Accuracy	P value	AUC	P value
Resident
CEUS	55.0 (11/20)	0.456	45.5 (10/22)	0.030	50.0 (21/42)	0.006	0.757	0.036
CEUS+CPI	80.0 (16/20)		77.3 (17/22)		78.6 (33/42)		0.803
Staff
CEUS	65.0 (13/20)	0.144	54.5 (12/22)	0.112	54.8 (23/42)	0.010	0.825	0.013
CEUS+CPI	85.0 (17/20)		77.3 (17/22)		81.0 (34/42)		0.890

CEUS: Contrast enhancement ultrasound; CPI: Color parametric imaging; AUC: Area under curve.