Table 1. Reference ranges for thyroid markers studied.
| Marker | Reference range |
| TSH | 0.3–4.2 mIU/L |
| FT4 | 0.9–1.7 ng/dL |
| Anti-TPO | <9.0 IU/mL |
| Anti-Tg | <4.0 IU/mL |
FT4Free thyroxineTgThyroglobulinTPOThyroid peroxidaseTSHThyroid-stimulating hormone
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