Outcomes
SUBCLINICAL HYPOTHYROIDISM
The reference range of serum TSH, FT4, and FT3 were 0.34–5.6 μIU/mL, 9.1–19.24 pg/mL, and 4.34–7.2 pg/mL, respectively. The primary outcome in this study was subclinical hypothyroidism, defined as serum TSH > 5.6 μIU/mL and serum FT4 within a reference range [