There were remarkable differences in sex, smoking, drinking, diabetes mellitus, hypertension, WBC count, neutrophil count, lymphocyte count, CRP, low-density lipoprotein (LDL), apolipoprotein A, and the MHR among the atherosclerosis-free, ICAS, ECAS, and I-ECAS groups (p < 0.05), as shown in Table 3. The gene discussed is CRP; the disease is atherosclerosis.