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Table 1 Performance of methodologies to detect polymyxin B resistance among Enterobacterales compared to broth microdilution

From: Detection of polymyxins resistance among Enterobacterales: evaluation of available methods and proposal of a new rapid and feasible methodology

 

CA

Sensitivity

Specificity

PPV

NPV

ME

VME

PBDE

98.1%

98.9%

97.7%

95.7%

99.4%

2.3%

1.1%

RPNP

98.1%

95.6%

99.4%

98.9%

97.8%

0.6%

4.4%

RCPE

98.1%

95.6%

99.4%

98.9%

97.8%

0.6%

4.4%

RCPEm

98.9%

97.8%

99.4%

98.9%

98.9%

0.6%

2.2%

  1. PBDE, polymyxin B broth disk elution; RPNP, rapid polymyxin NP test; RCPE, rapid colorimetric polymyxin B elution; RCPEm, rapid colorimetric polymyxin B microelution; CA, categorical agreement; PPV, positive predictive value; NPV, negative predictive value; ME, major error; VME, very major error
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Annals of Clinical Microbiology and Antimicrobials

ISSN: 1476-0711

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