Table 2. Reference values of thyroid hormones and TSH in euthyroid individuals and euthyroid patients on long-term amiodarone therapy (adopted from ref. 48).

Test	Patients not treated with amiodarone	Patients on long-term amiodarone therapy
Free T4 (pmol/L)	11-20	12-24.7
Free T3 (pmol/L)	3-5.6	2.5-5.1
TSH (mU/L)	0.35-4.3	0.35-4.3

T4 = thyroxine; T3 = triiodothyronine; TSH = thyroid-stimulating hormone