Table 1.

Characteristics of patients with multinodular goiter and control subjects (mean ± SD).

	Patients with multinodular goiter (n = 32)	Control subjects (n = 18)
Females (n)	30	15
Males (n)	2	3
Age (year)	48.16 ± 14.37	41.94 ± 11.47
Thyroid nodule size (mm)	16.24 ± 10.94	—
fT4 (ng/dL)	1.25 ± 0.26	1.31 ± 0.23
TSH (mIU/L)	2.04 ± 2.39	2.02 ± 0.74

fT4: free thyroxine; TSH: thyroid-stimulating hormone; and SD: standard deviation.