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

Table 5

Comparison between the results of US and biopsy.

		Biopsy result		Total
		Benign	Malignant
US	Benign	18	7	25	16.326	<0.001
	Malignant	6	26	32
Total		24	33	57