. Author manuscript; available in PMC: 2019 May 1.

Published in final edited form as: Cytokine. 2018 Aug 30;111:189–193. doi: 10.1016/j.cyto.2018.08.027

Table 1.

Summary characteristics of the sample.

	Female (n = 2964)	Male (n = 2421)	Total (n = 5385)
Age, yrs.	40.4 (28.6–55.8)	42.2 (29.4–57.8)	41.4 (28.8–56.5)^*
BMI. kg/m²	23.6 (20.8–27.1)	25.9 (23.3–28.6)	24.7 (21.8–28.0)^**
TSH, mUI/ml	1.69 (1.13–2.34)	1.46 (1.01–2.03)	1.59 (1.06–2.20)^**
FT4, ng/dl	1.28 (1.17–1.40)	1.29 (1.18–1.42)	1.29 (1.18–1.41)^*
Adiponectin, mg/dl	2.78 (1.94–3.91)	1.81 (1.27–2.68)	2.33 (1.52–3.42)^**
Leptin, ng/ml	7.86 (3.61–13.70)	3.22 (1.33–6.07)	5.14 (2.11–10.60)^**
TPOAb, n (%)	393 (13.3%)	155 (6.4%)	548 (10.2%)^**
TGAb, n (%)	390 (13.2%)	132 (5.5%)	522 (9.7%)^**
TGAb or TPOAb, n (%)	593 (20.0%)	227 (9.4%)	820 (15.2%)^**
Smokers, n (%)	446 (15.1%)	666 (27.5%)	1112 (20.7%)^**

Data are expressed as median (25–75°); n, absolute number.

Abbreviations: BMI, body mass index; FT4, free thyroxine; TSH, thyrotropin; TPOAb, antibodies against thyroperoxidase; TGAb, antibodies against thyroglobulin.

Female vs. male, p < 0.05.

^**

Female vs. male, p < 0.001.