Fig. 3From: Association between increased blood interleukin-6 levels on emergency department arrival and prolonged length of intensive care unit stay for blunt traumaBlood interleukin-6 (IL-6) levels on emergency department arrival according to injury severity score. The patients who had severe injury severity scores had significantly increased blood IL-6 levels on emergency department arrival (P < 0.0001). Error bars indicate the standard error of the mean. P values were calculated by using the Kruskal-Wallis testBack to article page