Persistent Positivity of Reverse Transcriptase-Polymerase Chain Reaction Test among Patients with COVID-19 in Rural Teaching Hospital: A Descriptive Cross-sectional Study

Introduction: The persistence positivity detected for severe acute respiratory syndrome coronavirus 2 ribonucleic acid by real-time reverse transcriptase-polymerase chain reaction test in asymptomatic coronavirus disease 2019 positive patients has attracted a lot of attention. There is limited data...

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Autores principales: Narayani Maharjan, Niresh Thapa, Bibek Pun Magar, Muna Maharjan, Jiancheng Tu
Formato: article
Lenguaje:EN
Publicado: Nepal Medical Association 2021
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Acceso en línea:https://doaj.org/article/10de7192e72749d1a0b3ce8155ff8bc7
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Sumario:Introduction: The persistence positivity detected for severe acute respiratory syndrome coronavirus 2 ribonucleic acid by real-time reverse transcriptase-polymerase chain reaction test in asymptomatic coronavirus disease 2019 positive patients has attracted a lot of attention. There is limited data on the duration of viral shedding. We aimed to determine the proportion of coronavirus disease patients with persistent positivity of real-time reverse transcriptase-polymerase chain reaction test in a teaching hospital of Nepal. Methods: A descriptive cross-sectional study was conducted using medical records from May to September 2020 in a teaching hospital of Nepal. The study was approved by the Institutional Review Committee of Karnali Academy of Health Sciences (Reference no 077/078/03). Convenient sampling method was used. Data was analysed by Statistical Package for the Social Sciences. Point estimate at 90% Confidence Interval was calculated along with frequency and proportion for binary data. Results: Of the total 95 cases, 9 (9.5%) cases (4.6-14.4 at 90% Confidence Interval), were repeat positive after achieving the first negative. The mean day required of achieving the last negative for the repeat positive group was 62.11±3.95, range (60-70 days). The mean time duration for the virus shedding was found to be 20.43±12.19 days (range 7-60 days) after the first positive test result. Conclusions: This study concludes that there might be a persistent positivity of the polymerase chain reaction test among patients with COVID-19. The majority of the patients were test positive for 8-14 days, and some were positive till 60-70 days.