GDF15 and diabetes mellitus: Table 2 shows associations between testosterone and GDF-15 levels obtained using linear regression models on log10(GDF-15) in patients with CAD, stratified by categories of hs-CRP, leukocytes, neutrophils, neutrophil to lymphocyte ratio, glucose, HDL-c, and LDL-c, with adjustment for hypertension, diabetes, and age.