Table 6.

Nodules in benign and malignant group where FNA was recommended and unnecessary FNA rate

Classification	FNA in benign nodules n = 141	FNA in malignant nodules n = 77	Unnecessary FNA rate (Benign nodule FNA/total number of nodules)
BTA	101 (71.6%)	76 (98.7%)	46.3%
ACR TIRADS	67 (47.5%)	61 (79.2%)	30.7%
AI-TIRADS	65 (46.1%)	59 (76.6%)	29.8%

ACR-TIRADS, American College of Radiology Thyroid Imaging Reporting and Data System; AI-TIRADS, Artificial Intelligence TIRADS; BTA, British Thyroid Association; FNA, fine needle aspiration.