Table 5:

Resection rates and risks of malignancy of thyroid nodules with clay-like materials.

Ultrasound			Cytology
Category	Resection rate	ROM (overall/resection)	Category	Resection rate	ROM (overall/resection)
Non-classified (15)	26.7% (4)	13.3/50.0% (2)	Cyst fluid (124)	4.0% (5)	0/0% (0)
Benign (4)	0% (0)		Benign (198)	6.6% (13)	0/0% (0)
Very low suspicion (168)	6.0% (10)	1.2/20.0% (2)	Undetermined significance (16)	43.8% (7)	37.5/85.7% (6)
Low suspicion (129)	7.0% (9)	1.6/22.2% (2)	Follicular neoplasm (3)	0% (0)
Intermediate suspicion (23)	13.0% (3)	8.7/66.7% (2)	Suspicious for malignancy (0)	0% (0)
High suspicion (16)	43.8% (7)	37.5/85.7% (6)	Malignant (14)	57.1% (8)	57.1/100% (8)

ROM: Risk of malignancy.