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Table 4 Comparison of different parameters between patients with bacterial infection and those with non-bacterial infection

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

  Variable Duration of fever (hours) CRP (mg/L) CRP-velocity (mg/:/hour) WBC (103/ml3) Neutrophils (103/ml3)
Bacterial
(n = 108)
Mean 36.5 63.77 3.61 13.94 11.74
  Interquartile range 6.0 to 46.8 37.4 to 156.0 1.97 to 7.41 9.85 to 17.55 7.47 to 15.41
Non-bacterial
(n = 70)
Mean 68.7 15.2 0.41 8.35 5.77
  Interquartile range 17.8 to 90 9.8 to 51.6 0.18 to 1.49 5.88 to 9.75 3.44 to 7.31
P value   < 0.001 < 0.001 < 0.001 < 0.001 < 0.001
  1. CRP = C-reactive protein; WBC = white blood cells.