In the KNN model, the final features included PLT, uric acid, ALT, body weight, creatinine, fasting insulin, AST, age, height, BMI, total bilirubin, HDL-C, triglycerides (TG), LDL-C, sex, DM, hypertension, ALB, TC, and HbA1c. The gene discussed is ALB; the disease is hypertensive disorder.