Table 6

The median and interquartial range of C-reactive protein, C-reactive protein velocity and procalcitonin for the bacterial and non-bacterial groups in a subgroup of 48 patients

Non-bacterial (n = 17)

Bacterial (n = 31)

P value

Median

Interquartile range

Median

Interquartile range

PCT (ng/ml)

0.05

0.05 to 0.24

0.21

0.05 to 0.53

0.025

CRP (mg/L)

29.0

15.5 to 52.1

99.9

41.3 to 143.7

< 0.001

CRPv (mg/L/hour)

0.44

0.26 to 1.32

2.67

1.39 to 5.16

< 0.001

CRP = C-reactive protein; CRPv = C-reactive protein velocity; PCT = procalcitonin.

Paran et al. Critical Care 2009 13:R50   doi:10.1186/cc7775