Table 4.

AIT nodules.

	Malignant Mean ± SD	Benign	p
Bethesda system	5.50 ± 0.70	2.12 ± 0.33	<0.001
length	19.00 ± 2.83	7.10 ± 3.08	<0.001
width	17.00 ± 2.83	5.53 ± 2.87	<0.001
TSH	3.00 ± 0.01	3.55 ± 2.48	ns
fT4	-	1.32 ± 0.23	-
TPO antibodies	167.5 ± 106.77	184.16 ± 233.11	ns
Tg antibodies	1617.0 ± 0.001	200.15 ± 283.54	<0.001

ns—not statistically significant; TSH—thyroid-stimulating hormone; fT4—free thyroxine; TPO—thyroperoxidase; Tg—thyroglobulin.