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Table 3 Procalcitonin (PCT) plasma concentrations of patients with systemic inflammatory response syndrome (SIRS) or sepsis and subsequent multiple organ dysfunction syndrome (MODS) within four categories of the APACHE II score

From: Comparison of procalcitonin (PCT) and C-reactive protein (CRP) plasma concentrations at different SOFA scores during the course of sepsis and MODS

APACHE II < 10 10–19 20–29 > 29
PCT 1.46 1.70 3.62* 9.90*
(μ g/l) (0.57–2.35) (0.67–2.67) (1.60–9.44) (4.34–23)
CRP 54.85 122 136 133
(mg/ml) (52.4–49) (82.3–174) (94.3–194) (94.3–190)
n 2 54 193 133
  1. Indicated are median, 25/75 percentiles and 10/90 percentiles ofPCT concentrations obtained from 40 patients during a 15-day observationperiod. *P 0.0001, versus the preceding category(Mann-Whitney u-test);n, number of observations. CRP, C-reactivepeptide; APACHE, Acute Physiology, Age, Chronic Health Evaluation.