Significant differences were found in age, drinking history, associated coronary heart disease, RDW_SD, RDW_CV, PLT, TG, TC, HDL, LDL, FT3, CRP, LAD, IVST, and LVPWT between the AF and non-AF groups of Tibetan patients (P < .05). The gene discussed is CRP; the disease is atrial fibrillation.