It allowed stratifying all CKD patients into 2 groups: CKD-A (IL-18 ≤ 1584.5 pg/mL) and CKD-B (IL-18 > 1584.5 pg/mL) with 81% sensitivity (95% confidence interval (CI) 58.1–94.6) and 96.4% specificity (95%CI 87.7–99.6). The gene discussed is IL18; the disease is chronic kidney disease.