All results remained after adjustment for age, sex, log2 time since transplantation, polypharmacy, diabetes, anemia, hemoglobin level, eGFR, albumin level, log2 NT-proBNP level, tacrolimus use, cyclosporine use, predniso(lo)ne use, and PPI use (model 1, Table 4). The gene discussed is NPPB; the disease is anemia (phenotype).