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Thyroid Hormone and Thyrotropin Levels at Baseline and After 30 Days of L-Triiodothyronine Therapy
| Analyte | LT4 therapy | LT3 therapy | Significance |
|---|---|---|---|
| TSH (ref. 0.4–4.0 mcIU/mL) | 0.08 ± 0.14 | 0.04 ± 0.07 | p = 0.358 |
| fT4 (ref. 0.8–2.2 ng/dL) | 1.54 ± 0.22 | 0.18 ± 0.07 | p < 0.0001 |
| Total T3 (ref. 90–215 ng/dL) | 115.3 ± 26.4 | 166.1 ± 37.9 | p < 0.0001 |
| fT3 (ref. 230–420 pg/dL) | 350.4 ± 58.0 | 386.5 ± 60.1 | p = 0.08 |
fT3, free triiodothyronine; fT4, free thyroxine; TSH, thyrotropin.
