Figure 3From: Gender-specific regulation of response to thyroid hormone in aging Relationships between age and the concentration of FT3 (a), FT4 (b), log[TSH] (c), ResT3 (d), ResT4 (e), and [FT3]/[FT4] index (f) in female subjects. The line represents the linear regression fitted to the data points calculated using SPSS software.Back to article page