Diagnostic Values of Free Triiodothyronine and Free Thyroxine and the Ratio of Free Triiodothyronine to Free Thyroxine in Thyrotoxicosis

Figure 1

FT3, FT4, and FT3/FT4 ratios in different groups of patients with thyrotoxicosis at initial of diagnosis and in healthy controls. (a) shows serum free triiodothyronine (FT3) levels. (b) shows serum free thyroxine (FT4) levels. (c) shows FT3/FT4 ratios in different groups of patients with thyrotoxicosis at initial of diagnosis and in healthy controls.

(a)

(b)

(c)