Fig. 1From: Thyroid function, body mass index, and metabolic risk markers in euthyroid adults: a cohort studyFlow diagram describing the selection strategy. The participants were 18–80 years old. Reference ranges for thyroid-stimulating hormone (TSH): 0.35–4.94 μIU/ml, free triiodothyronine (fT3): 1.71–3.71 pg/ml, free thyroxine (fT4) 0.7–1.48 ng/dl=Back to article page