Figure 2From: Predictive value of procalcitonin decrease in patients with severe sepsis: a prospective observational studyProcalcitonin (PCT) concentrations in patients with community-acquired or nosocomial infections. P = 0.001 on day 0 and P = 0.003 at 72 hours between the patient groups. PCT concentrations are shown in logarithmic scale and are presented in nanograms per milliliter.Back to article page