Selenium Supplementation May Decrease Thyroid Peroxidase Antibody Titer via Reducing Oxidative Stress in Euthyroid Patients with Autoimmune Thyroiditis

Table 1

Demographic and clinical data in patients with autoimmune thyroiditis and healthy controls.

Variables	Patients (n = 32)	Controls (n = 20)
Age (years)	41.6 ± 6.8	42.3 ± 5.4	0.699
Sex (F/M)	20/12	12/8	0.857
FT3 (pmol/L)	4.3 ± 0.8	4.6 ± 0.5	0.140
FT4 (pmol/L)	15.0 ± 3.2	14.2 ± 3.5	0.402
TSH (µIU/mL)	2.8 (0.9–4.2)	1.9 (0.7–4.0)	0.231
TPOAb (IU/mL)	587.0 (99.0–812.0)	23.0 (12.0–28.0)	<0.001
TgAb (IU/mL)	489.0 (38.0–702.0)	28.0 (20.0–32.0)	<0.001
BMI(kg/m^2)	24.1 ± 4.1	23.6 ± 3.2	0.645
Selenium (μg/L)	109.8 ± 16.3	123.1 ± 19.1	0.010

FT₃: free triiodothyronine; FT₄: free thyroxine; TSH: thyroid stimulating hormone; TPOAb: thyroid peroxidase antibody; TgAb: antithyroglobulin antibody; BMI: body mass index.