In the dichotomous analysis of serum albumin using 35 g/L as the cutpoint, the cumulative incidence of death was 59.8% for participants with hypoalbuminemia and 50.5% for those with normoalbuminemia of ≥ 35 g/L, with significant differences shown in Kaplan–Meier curves (Additional file 1: Figue S3). The gene discussed is ALB; the disease is Hypoalbuminemia.