Figure 1

Procalcitonin (PCT) plasma concentrations of patients within fourcategories of the sepsis-related organ failure assessment (SOFA) score.Indicated are median (◎), 25/75 percentiles (box) and 10/90 percentiles(whisker) of PCT observations (n) obtained from 40 patients during a15-day observation period. *P <0.05 compared with thepreceding category (Mann-Whitney U-test).