Fig. 1From: Decreased serum concentrations of sphingosine-1-phosphate in sepsisSerum-S1P is not dependent on age (a) or gender (b) in healthy controls. Linear regression analysis with 95 % confidence interval (a) and median with interquartile range are given and groups were compared using Mann–Whitney U test (b). n.s. non-significant, S1P sphingosine-1-phosphateBack to article page