Table 5.

Benign nodules.

	Non-AIT Mean ± SD	AIT Mean ± SD	p
Bethesda system	2.31 ± 0.61	2.12 ± 0.33	ns
length	8.21 ± 4.69	7.10 ± 3.08	0.044
width	6.37 ± 3.90	5.53 ± 2.87	0.075
TSH	2.31 ± 1.28	3.55 ± 2.48	<0.001
fT4	1.42 ± 0.75	1.32 ± 0.23	ns
TPO antibodies	12.93 ± 7.60	184.16 ± 233.11	<0.001
Tg antibodies	11.39 ± 2.32	200.15 ± 283.54	0.003

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