On the other hand, urinary IL-18 correlates with age (r = 0.209, p = 0.025), male sex (r = −0.35, p < 0.001), hemoglobin (r = −0.297, p = 0.003), and serum creatinine (r = −0.278, p = 0.003) in diabetic subjects without DKD. The gene discussed is IL18; the disease is diabetic kidney disease.