Thyroid Imaging Reporting and Data System Score Combined with the New Italian Classification for Thyroid Cytology Improves the Clinical Management of Indeterminate Nodules

Table 5

Malignancy rate of indeterminate lesions by combining TI-RADS score with SIAPEC 2014 classification.

	TI-RADS categories	Number of cases	Benign (n)	Malignant (n)	Malignancy rate (%)	p
TIR3A	3; 4a; 4b	12	11	1	8.3	0.466
	4c; 5	11	9	2	18.2
TIR3B	3; 4a; 4b	17	13	4	23.5	0.007
	4c; 5	10	2	8	80