Mean serum CRP 1–2 months after the ischemic stroke was 9.77 mg/L with standard deviation of 20.41 mg/L in the moderate cognitive impairment without dementia group and 14.37 ± 23.92 mg/L in the dementia group, compared to 6.56 ± 12.41 mg/L in the normal group. The gene discussed is CRP; the disease is dementia.