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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.