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Table 2 Comparative analysis of sensitivity and specificity of PCR assay and conventional antibiotic sensitivity test

From: Development and evaluation of a PCR assay for rapid detection of azithromycin resistant Campylobacter isolated from diarrhoeal patients in Kolkata, India

 

Conventional sensitivity test

Total

Resistant

Sensitive

PCR assay

 Resistant

24

0

24

 Sensitive

0

335

335

Total

24

335

359

  1. Sensitivity = 24/(0 + 24) × 100 = 100%
  2. Specificity = 335/(0 + 335) × 100 = 100%
  3. Positive predictive value = 24/(0 + 24) × 100 = 100%
  4. Negative predictive value = 335/(0 + 335) × 100 = 100%
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Gut Pathogens

ISSN: 1757-4749