Urinary iodine concentration ≥ 300 μg/L increases goiter among school children

The investigators found in a review article of 10 cross-sectional studies with 104,645 subjects (49,244 subjects from the urinary iodine concentration (UIC)  ≥ 300 μg/L group and 55,401 subjects from the 100-300 μg/L group/reference group), when the urinary iodine concentration ≥ 300 μg/L or the water iodine concentration ≥ 100 μg/L, the risk of goiter development among school children will increase. The higher the urinary iodine concentration, the greater the risk of goiter development.

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Urinary iodine concentration ≥ 300 μg/L increases goiter among school children