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Table 1 Diagnostic comparison of FTD vaginal swab PCR to Amplicor CT/NG and in-house ddPCR

From: Evaluation of a Chlamydia trachomatis-specific, commercial, real-time PCR for use with ocular swabs

 

FTD vaginal swab PCR versus

Amplicor CT/NG (Roche)

In-house ddPCR (Bio-Rad QX100)

Sensitivity

95.71 (91.74–99.68)

97.18 (93.94–100.0)

Specificity

90.00 (84.12–95.88)

96.55 (92.97–100.0)

PPV

95.71 (91.74–99.68)

98.57 (96.24–100.0)

NPV

90.00 (84.12–95.88)

93.33 (88.44–98.22)

Cohens Kappa

0.86

0.93

  1. Note: The 95% confidence intervals are shown in brackets
  2. Abbreviations: ddPCR droplet digital PCR, NPV negative predictive value, PPV positive predictive value