SLCO1B1 and ischemic stroke: A total of 207 ischemic stroke patients group (177 patients from the first study patients and only 30 underwent SLCO1B1 c.521T>C polymorphism test) and 244 non-ischemic stroke patients who only underwent SLCO1B1 c.521T>C polymorphism test were included to analyze the SLCO1B1 c.521T>C polymorphism in relation to Hcy concentrations (Table 2).