Determinants of the non-prescription of ACEI or ARB included malnutrition (serum albumin levels < 35 g/L) (OR: 0.74 (95% CI: 0.57–0.95)) and eGFR between 30 and 50 ml/min (OR: 0.64 (95% CI: 0.45–0.91)) and eGFR < 30 ml/min (OR: 0.46 (95% CI: 0.32–0.67)). The gene discussed is ALB; the disease is nutritional deficiency disease.