IL6 and ischemic stroke: Correlations between the concentration of IL-6 measured in the blood serum during the onset and on the 1st day of ischemic stroke and the NIHSS results assessed on admission (R = 0.43, p < 0.01 and R = 0.4, p < 0.01, respectively) and on discharge (R = 0.61, p < 0.01 and R = 0.52, p < 0.01, respectively) were seen (Table 4).