[Retracted] Benefits of Contrast-Enhanced Ultrasonography to the Differential Diagnosis of TI-RADS 4-5 Thyroid Nodules

Table 7

Efficacy analysis of US and US + ECUS in the diagnosis of benign and malignant thyroid nodules.

Method	Sensitivity	Specificity	Accuracy	PPV	NPV
US	75.00	78.79	77.19	72.00	81.25
US+ECUS	91.67	93.94	92.98	91.67	93.94
	10.005	9.746	9.823	13.014	7.410
	0.002	0.002	0.002	<0.001	0.006