False-negative RT-PCR for COVID-19 and a diagnostic risk score: a retrospective cohort study among patients admitted to hospital.
Ankur Gupta-WrightColin Kenneth MacleodJessica BarrettSarah Ann FilsonTumena CorrahVictoria ParrisGurjinder SandhuMiriam HarrisRachel TennantNidhi VaidJunko TakataSai DuraisinghamNemi GandyHarmeet ChanaAshley WhittingtonAlastair McGregorPadmasayee PapineniPublished in: BMJ open (2021)
RT-PCR-negative COVID-19 is common and is associated with lower mortality despite similar presentation. Diagnostic risk scores could potentially help triage patients requiring admission but need external validation.
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