Patients with the highest SDF-1 levels did not have an increased risk of recurrent stroke [0.95 (0.58–1.55)], cardiovascular events [0.71 (0.45–1.12)] and all-cause mortality [0.84 (0.53–1.33)] at one year in compared to those with the lowest quartile of plasma SDF-1 levels (Table 2). The gene discussed is CXCL12; the disease is Stroke.