Table 1. Serial thyroid hormone levels during follow-up period.
| Thyroid hormone | 1 Month | 2 Months | 3 Months | 4 Months | 6 Months | 1 Year | Normal range |
|---|---|---|---|---|---|---|---|
| T3 (ng/dL) | 322.5 | 320.0 | 276.4 | 297.1 | 322.1 | 333.3 | 105.0–245.0 |
| T4 (µg/dL) | 18.83 | - | 20.60 | 17.30 | 16.70 | 21.30 | 5.9–16.0 |
| Free T3 (pg/mL) | - | - | 5.03 | 5.95 | - | 6.48 | 2.5–7.0 |
| Free T4 (ng/dL) | 1.99 | 2.03 | 1.86 | 1.86 | 1.71 | 1.82 | 0.8–2.1 |
| TSH (mIU/L) | 4.54 | 3.53 | 2.84 | 3.39 | 2.68 | 2.69 | 0.5–6.5 |
| TBG (mg/L) | - | - | 68.27 | 53.92 | 48.77 | 50.20 | 1.6–3.6 |
T3, triiodothyronine; T4, thyroxine; TSH, thyroid stimulating hormone; TBG, thyroxine binding globulin.