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. 2023 May 11;5(8):100789. doi: 10.1016/j.jhepr.2023.100789

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© 2023 The Authors

This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).

PMC Copyright notice

Fig. 4 — Correlations between serum free cortisol and other parameters of the pituitary-adrenal axis. Correlations of serum free cortisol and (A) serum total cortisol, (B) adrenocorticotropic releasing hormone (ACTH), (C) cortisol binding globulin and (D) albumin.

Correlation coefficients as assessed by Spearman’s ρ with 95% confidence intervals (95% CI) and levels of significance: (A) ρ = 0.889 (95% CI: 0.846–0.921), p <0.001; (B) ρ=0.436 (95% CI: 0.282–0.567), p <0.001; (C) ρ = -0.039 (95% CI: -0.212 to 0.137), p = 0.659; (D) ρ = -0.060 (95% CI: -0.233 to 0.116), p = 0.489.