IL6 and stroke disorder: Among all the patients with recurrent stroke, 178 (12.66%), 109 (10.67%), 434 (11.0%), and 338 (7.69%) had PolyVD with IL-6 ≥ 2.64 pg/mL, PolyVD with IL-6 < 2.64 pg/ml, non-PolyVD with IL-6 ≥ 2.64 pg/ml, and non-PolyVD with IL-6 < 2.64 pg/ml, respectively (Table 2).