Value of Thyroid Imaging Reporting and Data System in Initial Bethesda Category III Thyroid Nodules

Table 4

Diagnostic values of TI-RADS for the 188 nodules with initial Bethesda system III cytology.

TI-RADS assessment	Total	Benign	Malignant	Sensitivity (%)	Specificity (%)	Accuracy (%)	OR (95% CI)
Category 4a	13	13	0
Category 4b	35	25	10	100	15.9	62.8
Category 4c	128	43	85	90.6	46.3	69.7	8.3 (3.8–18.1)
Category 5	12	1	11	10.3	98.8	48.9	9.4 (1.2–74.2)
Total	188	82	106

OR, odds ratios; CI, confidence interval; TI-RADS, Thyroid Imaging Reporting and Data System.