TgAb (β = -0.157, P < 0.001), TV (β = 0.158, P < 0.001), goiter (β = 0.124, P < 0.001), gender (β = 0.111, P < 0.001), age (β = 0.095, P = 0.003), and TSH (β = 0.068, P = 0.02) were found to be associated with Tg. Here, TG is linked to goiter.