Additionally, BMI, AST, BUN, Cr, UA, SIRI levels and the proportion in the highest quartile (Q4) were significantly higher in the AF group, while Hb, RBC, PLT, L, ALB, TC, LDL-C, and LVEF were significantly lower (all p < 0.05). The gene discussed is GSTM1; the disease is atrial fibrillation.