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Primary Outcome: Performance of Cepheid Xpert® Xpress Flu/RSV Compared With Reverse-Transcription Polymerase Chain Reaction
| Test | PPA, % | NPA, % | ORA, % |
|---|---|---|---|
| Xpert® Xpress Flu/RSV (n = 758 ARTI episodes) | 90.9 (30/33) | 99.7 (723/725) | 99.3 (753/758) |
| 95% CI, % | 76.4–96.8 | 99.0–99.9 | 98.5–99.7 |
Abbreviations: ARTI, acute respiratory tract infection; CI, confidence interval; NPA, negative percentage agreement; ORA, overall rate of agreement; PPA, positive percentage agreement.
