After PSM, the results of univariate binary logistic regression analysis indicated that serum albumin (OR = 0.874, 95% CI [0.797–0.951], P = 0.003), hemoglobin (OR = 0.974, 95% CI [0.951–0.995], P = 0.020), baseline RDW (OR = 3.135, 95% CI [1.994–5.456], P < 0.001), baseline eGFR (OR = 0.974, 95% CI [0.953–0.995], P = 0.018) and PLR ratio (OR = 1.000, 95% CI [1.000–1.010], P < 0.001) were correlated with CA-AKI after enhanced CT examination (Table 4). This evidence concerns the gene ALB and cancer.