Table 1: Clinical characteristics of the participants according to group.

Group 1 
(severe vitamin D deficiency)
Group 2 
(moderate vitamin D deficiency)
Group 3 
(normal vitamin D level)

536141
Male/female4/4910/5110/310.05
Current smokers (%)40.027.022.2>0.05
Age (years)42.4 ± 2.0 37.9 ± 1.739.5 ± 1.9>0.05
BMI (kg m−2)26.1 ± 1.226.3 ± 1.024.9 ± 0.9>0.05
WC (cm)93.8 ± 2.991.0 ± 2.485.5 ± 2.50.04
FBG (mg dL−1)82.7 ± 1.979.7 ± 1.683.4 ± 1.8>0.05
HDL-C (mg dL−1)51.1 ± 2.148.7 ± 1.947.1 ± 2.1>0.05
LDL-C (mg dL−1)112.7 ± 5.5106.6 ± 4.9112.1 ± 5.4>0.05
TG (mg dL−1)132.0 ± 9.0114.1 ± 8.1126.6 ± 8.8>0.05
Fasting insulin (IU mL−1)10.8 ± 1.29.4 ± 1.09.0 ± 1.1>0.05
HOMA-IR (%)2.1 ± 0.41.6 ± 0.41.5 ± 0.4>0.05
TSH (mIU mL−1)1.2 ± 0.151.5 ± 0.11.9 ± 0.10.008
FT4 (ng dL−1)1.0 ± 0.01.1 ± 0.01.1 ± 0.0>0.05
FT3 (ng dL−1)2.8 ± 0.02.8 ± 0.02.7 ± 0.0>0.05
Anti-TPO positivity (%)62.771.724.20.000
Anti-Tg positivity (%) 21.621.725.6>0.05

BMI: body mass index; WC: waist circumference; FBG: fasting blood glucose; HDL-C: high-density cholesterol; LDL-C: low-density cholesterol; TG: triglyceride.