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

Table 6

Proposed stratification risk of malignancy in indeterminate lesions by combining TI-RADS score with SIAPEC 2014 classification.

Malignancy risk	Number of cases	Benign (n, %)	Malignant (n, %)	p
Low	12	11 (91.7%)	1 (8.3%)	0.001
TIR3A with TI-RADS categories 3; 4a; 4b
Intermediate	28	22 (78.6%)	6 (21.4%)
TIR3A with TI-RADS categories 4c; 5
TIR3B with TI-RADS categories 3; 4a; 4b
High	10	2 (20%)	8 (80%)
TIR3B with TI-RADS categories 4c; 5