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Multivariate stepwise regression analyses of FT3 and the FT3/FT4 ratio. In the forest plots, the dots indicate standardized β, and the two bars indicate 95% CI. FT3 and FT3/FT4 were ln-transformed. When FT3 or FT3/FT4 was considered a dependent variable, the original model included SFA, VFA, BMI, and variables that were significantly related to FT3 or FT3/FT4 by the Spearman correlation analysis.
