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Table 3 Microbiological diagnostic predictive values for hvKp

From: Genomic insights into virulence factors affecting tissue-invasive Klebsiella pneumoniae infection

Characteristics

Sensitivity (%)

Specificity (%)

PPV (%)

NPV (%)

LR+

LR–

Positive string test

84.2

43.3

29.6

90.6

1.49

0.37

O1

89.5

46.3

32.1

93.9

1.67

0.23

K1

61.5

84.9

42.1

92.5

4.08

0.45

Aerobactin

30.8

91.2

84.2

46.3

3.49

0.76

rmpA

33.3

94.3

89.5

49.3

5.83

0.71

  1. hvKp, hypervirulent K. pneumoniae; PPV, positive predictive value; NPV, negative predictive value; LR, likelihood ratio