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. 2023 Feb 20;15(2):e35242. doi: 10.7759/cureus.35242

Table 3. Correlation between thyroid function tests and creatinine in all participants.

TSH: thyroid-stimulating hormone; FT: free thyroxine; eGFR: glomerular filtration rate

  TSH FT3 FT4
  r value p-value r value p-value r value p-value
Creatinine   0.452 0.016* −0.088 0.683 −0.087 0.617
eGFR - 0.687 0.03*   0.325 0.341   0.835 0.256