highly significantP < .001
There was a highly significant negative correlation between serum cortisol and log-transformed TSH (Pearson R = –0.25, P < .001), but no correlation between serum cortisol and FT4.
There was a highly significant negative correlation between serum cortisol and log-transformed TSH (Pearson R = –0.25, P < .001), but no correlation between serum cortisol and FT4.