PTH and brain infarction: These two groups did not significantly differ in terms of sex, height, systolic blood pressure, WBC count, hemoglobin, platelets, serum albumin, serum creatinine, C-reactive protein, intact PTH, serum calcium, serum phosphate, blood sugar, Glico albumin, ejection fraction, diabetes mellitus rates, history of cerebral infarction, and cerebral hemorrhage.