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Table 3 Semi-quantitative culture scoring for the diagnosis of VAP

From: Evaluation of semi-quantitative scoring of Gram staining or semi-quantitative culture for the diagnosis of ventilator-associated pneumonia: a retrospective comparison with quantitative culture

 

Sensitivity (%)

Specificity (%)

PPV (%)

NPV (%)

PLR

NLR

Kappa (95% CI)

≥2+

96

40

69

88

1.6

0.1

0.4 (0.25–0.54)

≥3+

59

86

85

60

4.2

0.48

0.43 (0.29–0.57)

  1. PPV positive predictive value, NPV negative predictive value, PLR positive likelihood ratio, NLR negative likelihood ratio.
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Journal of Intensive Care

ISSN: 2052-0492