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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

From: C-reactive protein velocity to distinguish febrile bacterial infections from non-bacterial febrile illnesses in the emergency department

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