On univariate analysis; age, the presence of smoking, atrial fibrillation, chronic pulmonary disease, congestive heart failure, malignancy, dementia, BUN, CRP, albumin, T3, neutrophile count, lymphocyte count, hemoglobin, left ventricle ejection fraction, and receiving thrombolysis were found predictors at 30 days mortality (Table 4). The gene discussed is CRP; the disease is dementia.