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Positive percent agreement (PPA) of the Abbott ID Now and DiaSorin Simplexa assays for the detection of SARS-CoV-2 was determined using a modified CDC assay as the reference standard
| Assay | No. of specimens |
PPA (%) (95% CI) | |
|---|---|---|---|
| SARS-CoV-2 detected | SARS-CoV-2 not detected | ||
| Abbott ID Now | 90 | 6 | 94 (87−98) |
| DiaSorin Simplexa | 92 | 4 | 96 (90−99) |
| Modified CDC assay | 96 | 0 | Not applicable |
