The multivariate analysis revealed that baseline eGFR (odds ratio [OR], 0.955; P < 0.001), a history of diabetes mellitus (OR, 2.583; P = 0.008), and the serum albumin level (OR, 0.449; P = 0.005) were associated with an increased risk of CT-CIN. The gene discussed is ALB; the disease is diabetes mellitus.