Contrast-Enhanced Ultrasound: An Effective Method for Noninvasive Diagnosis of Mummified Thyroid Nodules

Table 1

Basic information of each group and basic characteristics of nodules.

Group	Tirads		Age (y), median (interquartile range)	Gender, male/female	Nodule size (mm), median (interquartile range)
	4	5
Nonenhancement group (n = 36)	36	0	56 (50,65.75)	15/21	9 (7,10.75)
Low-enhancement group (n = 30)	29	2	55 (42.25,59.25)	6/24	8 (6.75,10.25)
PTC group (n = 33)	31	2	51 (35.50,59.50)	4/29	9 (7.5,14)
	0.612		0.337	0.393	0.089

Comparison between the low-enhancement group and the PTC group.