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Distribution of 119 patients hospitalized for COVID-19 according to their combined serum concentrations of thyroid-stimulating hormone (TSH) and free thyroxine (free T4).
| Free T4 | |||
|---|---|---|---|
| <12.0 pmol/L | 12.0 pmol/L ≤ free T4 ≤ 22.0 pmol/L | >22 pmol/L | |
| TSH | |||
| <0.4 mIU/L | 0 | 11 | 2 |
| 0.4–4.8 mIU/L | 2 | 95 | 5 |
| >4.80 mIU/L | 1 | 0 | 0 |
T4, thyroxine; TSH, thyroid-stimulating hormone.
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