Empirical and expected reference ranges and values outside range for TSH, free T4, and free T3 assays in 498 athletes
| . | Immunoassays . | LCMS . | ||||
|---|---|---|---|---|---|---|
| . | TSH (mIU/L) . | FT4 (pmol/L) . | FT3 (pmol/L) . | T4 (nmol/L) . | T3 (nmol/L) . | rT3 (nmol/L) . |
| Empirical | 0.68-7.6 | 12.8-22.7 | 3.68-6.98 | 53.7-152 | 0.87-2.25 | 0.10-0.48 |
| Low | 12 | 11 | 11 | 12 | 12 | 10 |
| High | 12 | 10 | 12 | 11 | 12 | 12 |
| Expected | 0.29-4.20 | 12-22 | 3.1-6.8 | — | — | — |
| Low | 4 | 4 | 4 | — | — | — |
| High | 57 | 19 | 18 | — | — | — |
| . | Immunoassays . | LCMS . | ||||
|---|---|---|---|---|---|---|
| . | TSH (mIU/L) . | FT4 (pmol/L) . | FT3 (pmol/L) . | T4 (nmol/L) . | T3 (nmol/L) . | rT3 (nmol/L) . |
| Empirical | 0.68-7.6 | 12.8-22.7 | 3.68-6.98 | 53.7-152 | 0.87-2.25 | 0.10-0.48 |
| Low | 12 | 11 | 11 | 12 | 12 | 10 |
| High | 12 | 10 | 12 | 11 | 12 | 12 |
| Expected | 0.29-4.20 | 12-22 | 3.1-6.8 | — | — | — |
| Low | 4 | 4 | 4 | — | — | — |
| High | 57 | 19 | 18 | — | — | — |
Empirical and expected reference ranges and values outside range for TSH, free T4, and free T3 assays in 498 athletes
| . | Immunoassays . | LCMS . | ||||
|---|---|---|---|---|---|---|
| . | TSH (mIU/L) . | FT4 (pmol/L) . | FT3 (pmol/L) . | T4 (nmol/L) . | T3 (nmol/L) . | rT3 (nmol/L) . |
| Empirical | 0.68-7.6 | 12.8-22.7 | 3.68-6.98 | 53.7-152 | 0.87-2.25 | 0.10-0.48 |
| Low | 12 | 11 | 11 | 12 | 12 | 10 |
| High | 12 | 10 | 12 | 11 | 12 | 12 |
| Expected | 0.29-4.20 | 12-22 | 3.1-6.8 | — | — | — |
| Low | 4 | 4 | 4 | — | — | — |
| High | 57 | 19 | 18 | — | — | — |
| . | Immunoassays . | LCMS . | ||||
|---|---|---|---|---|---|---|
| . | TSH (mIU/L) . | FT4 (pmol/L) . | FT3 (pmol/L) . | T4 (nmol/L) . | T3 (nmol/L) . | rT3 (nmol/L) . |
| Empirical | 0.68-7.6 | 12.8-22.7 | 3.68-6.98 | 53.7-152 | 0.87-2.25 | 0.10-0.48 |
| Low | 12 | 11 | 11 | 12 | 12 | 10 |
| High | 12 | 10 | 12 | 11 | 12 | 12 |
| Expected | 0.29-4.20 | 12-22 | 3.1-6.8 | — | — | — |
| Low | 4 | 4 | 4 | — | — | — |
| High | 57 | 19 | 18 | — | — | — |
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