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Table 1 Comparison of TaqPath and Xpert Xpress Test Results Before Arbitration Testing

From: Comparative evaluation of the Thermo fisher TaqPath™ COVID-19 combo kit with the Cepheid Xpert® Xpress SARS-CoV-2 assay for detecting SARS-CoV-2 in nasopharyngeal specimens

Specimen Total N = 300 Xpress SARS-CoV-2
(+) (−)
TaqPathCOVID-19 (+) 58 1
(−) 2 239
Statistic Value 95% CI
PPA 96.67% 89.13 to 99.76%
NPA 99.58% 96.83 to 99.79%