Fig. 3From: The associations of serum S100A9 with the severity and prognosis in patients with community-acquired pneumonia: a prospective cohort studyThe levels of serum S100A9 in alive and dead CAP patients. a and b Serum S100A9 was detected with ELISA. a The level of serum S100A9 in alive and dead CAP patients. b The level of serum S100A9 in different hospital stay of alive patients. All data were expressed as mean ± SEM. *P<0.05, **P<0.01Back to article page