The same 15 most important features were chosen for both model 1 and model 2: age at dialysis initiation, vascular access, metastatic cancer, diabetic nephropathy, congestive heart failure, ischemic heart disease, cerebrovascular disease, albumin, hemoglobin, neutrophil, C-reactive protein, creatinine, estimated glomerular filtration rate, systolic blood pressure, and BMI. This evidence concerns the gene ALB and congestive heart failure.