The univariate analysis indicated no differences between the two groups (P > 0.05) in age, sex, smoking, and drinking history, incidence of headache, vomiting, disturbance of consciousness and gaze palsy, blood pressure, National Institutes of Health Stroke Scale (NIHSS) score, TOAST classification, WBC count, platelet count, CRP, blood glucose, blood sodium, concomitant atrial fibrillation, cardiac dysfunction, abnormal liver function, abnormal renal function, infection within 48 h of onset, and anti-edema therapy. Here, CRP is linked to infection.