Correlation between thyroid antibodies and β-cell function or insulin sensitivity demonstrated using Pearson's linear correlation model. Negative association between (A) TPOAb and HOMA-β, (B) TPOAb and DI, and (C) TGAb and DI. TPOAb, anti-thyroid peroxidase antibodies; HOMA-β, homeostasis model assessment of β cell function; TGAb, anti-thyroglobulin antibodies; DI, disposition index, representing adjusted insulin sensitivity according to insulin sensitivity (HOMA-β/homeostasis model assessment of insulin resistance).