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. 2008 Aug;18(8):831–838. doi: 10.1089/thy.2008.0091

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Copyright 2008, Mary Ann Liebert, Inc.

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FIG. 1. — Correlations of log₁₀ serum ferritin (SF) and log₁₀ free thyroxine (T4) in Hemochromatosis and Iron Overload Screening (HEIRS) Study participants who reported taking neither thyroid supplements nor medications to suppress thyroid function. In 160 C282Y homozygotes, the correlation was positive but not significant (p = 0.2368) (above). In 277 control subjects, the correlation was positive and significant (p = 0.0492) (below).

FIG. 1. — Correlations of log₁₀ serum ferritin (SF) and log₁₀ free thyroxine (T4) in Hemochromatosis and Iron Overload Screening (HEIRS) Study participants who reported taking neither thyroid supplements nor medications to suppress thyroid function. In 160 C282Y homozygotes, the correlation was positive but not significant (p = 0.2368) (above). In 277 control subjects, the correlation was positive and significant (p = 0.0492) (below).