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Table 3 Evaluation of the agreement between the results by protocol using the Cohen’s Kappa agreement coefficient

From: SARS-CoV2 RT-PCR assays: In vitro comparison of 4 WHO approved protocols on clinical specimens and its implications for real laboratory practice through variant emergence

 

BERLIN

HKU

DAAN Gene®

IPP

0.861

95% CI [0.800–0.923]

0.830

95% CI [0.763–0.898]

0.542

95% CI [0.447–0.637]

DAAN Gene®

0.5419

95% CI [0.447–0.637]

0.5169

95% CI [0.422–0.611]

 

HKU

0.861

95% CI [0.799–0.923]

  
  1. Charité, Berlin protocol (BERLIN), University of Hong Kong protocol (HKU), DAAN Gene® protocol (DAAN Gene®), The Institut Pasteur, Paris (IPP) protocol. 95% CI: Confident interval of 95%, Concordance between two observations increases when Kappa coefficient is closer to 1.bold cases indicate good agreement