Table 3

Performance of delta neutrophil index and other laboratory markers in differentiating between the presence and absence of severe sepsis/septic shock

Variables

Cut-off level

Sensitivity

(%)

Specificity

(%)

Positive predictive value (%)

Negative predictive value (%)


DNI

6.5%

81.3%

91%

88.6%

84.7%

WBC

16590/mm3

45.8%

69.1%

56.4%

59.4%

ANC

14100/mm3

45.8%

72.7%

59.4%

60.6%

Lactate

2.1 mmol/L

76.7%

57.1%

61.1%

73.7%

CRP

15.4 mg/dL

59.6%

66%

62.2%

63.5%


DNI, delta neutrophil index; WBC, white blood cell count; ANC, absolute neutrophil count; CRP, C-reactive protein.

Park et al. BMC Infectious Diseases 2011 11:299   doi:10.1186/1471-2334-11-299

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