There were some differences between the BAR groups with respect to various covariates (i.e., sex, age, alcohol abuse, CKD, diabetes, hypertension, fever, asthenia, AST, BUN, ALB, creatinine, procalcitonin, APACHE II score, SOFA score, and renal replacement therapy) (P < 0.05). This evidence concerns the gene ALB and chronic kidney disease.