TG and type 2 diabetes mellitus: The number of patients with thyroid dysfunction (defined as thyrotropin or thyroid hormone levels out of reference range; normal reference range TSH:0.61–4.23 μIU/ml [35], fT3:1.72–3.44 pg/ml, fT4: 0.71–1.69 ng/dl, provided by manufacturer) among patients with type 2 diabetes were not significantly different from those among the control subjects (Table 2).