In the logistic regression model evaluating the occurrence of AKI in CKD+ patients, the only predictors retained were NLR (HR 1.04 95% C.I. 0.99–1.11, p = 0.001) and IL-6 (HR 1.02, 95% 1.01–1.02, p = 0.001). This evidence concerns the gene IL6 and chronic kidney disease.