Table 2 Results of Positive percent agreement (PPA) and Negative percent agreement (NPA) of the five PCR kits compared to Viasure
From: Evaluation of diagnostic performance of SARS-CoV-2 detection kits: a comparative study
Positive results | Positive percent agreement (%) | Negative results | Negative percent agreement (%) | |
|---|---|---|---|---|
FTD | 50 | 100 | 38 | 86 |
DNA Technology | 50 | 100 | 44 | 100 |
QiaPrep& Amp | 49 | 98 | 43 | 97.7 |
Xpress SARS-CoV-2 | 50 | 100 | 40 | 90.9 |
ID NOW COVID-19 assay | 50 | 100 | 44 | 100 |