Skip to main content

Table 4 WGS performance in identifying drug-resistance mechanisms of MDR-Kp strains

From: Exploring multidrug-resistant Klebsiella pneumoniae antimicrobial resistance mechanisms through whole genome sequencing analysis

Type of antibiotics

Antibiotics

Sensitivity (%)

Specificity (%)

PPV (%)

NPV (%)

Accuracy (%)

β-lactams

Penicillins

Ticarcillin

100

/

100

/

100

Piperacillin

100

/

100

/

100

Amoxicillin/

Clavulanic acid

100

/

100

/

100

Cephalosporins

Cephalothin

60

/

100

0

60

Cefuroxime

60

/

100

0

60

Cefotaxime

100

/

100

/

100

Ceftazidime

100

/

100

/

100

Cefepime

100

50

94.1

/

94.4

Cefazolin

87.5

/

100

0

87.5

Cefoxitin

57.1

100

100

25

62.5

Ceftriaxone

100

/

100

/

100

Carbapenems

Imipenem

87.5

100

100

50

88.9

Meropenem

100

/

100

/

100

Ertapenem

\

100

\

100

100

Penicillin/β-lactamase inhibitor

Piperacillin/

Tazobactam

93.3

100

100

75

94.4

Monobactams

Aztreonam

100

0

77.8

0

77.8

Quinolones

Moxifloxacin

90

/

100

/

90

Norfloxacin

90

/

100

/

90

Ciprofloxacin

83.3

/

100

0

83.3

Levofloxacin

77.8

/

100

0

77.8

Aminoglycosides

Tobramycin

100

66.7

93.8

100

94.4

Amikacin

100

100

100

100

100

Tetracyclines

Tetracycline

71.4

/

100

60

80

Doxycycline

71.4

100

100

60

80

  1. Value not available due to no sensitive strains (/) or no resistant strains (\) determined by conventional drug sensitivity test. PPV, positive prediction value; NPV, negative prediction value