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논문 기본 정보

자료유형
학술저널
저자정보
Jeonghyun Chang (Inje University Ilsan Paik Hospital) Sung-Soon Lee (Inje University Ilsan Paik Hospital) Deok Hee Kim (Gyeonggi-do Medical Center Paju Hospital) Sollip Kim (Inje University Ilsan Paik Hospital)
저널정보
대한임상검사정도관리협회 Journal of Laboratory Medicine And Quality Assurance Laboratory Medicine and Quality Assurance 제44권 제2호
발행연도
2022.6
수록면
82 - 87 (6page)

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Background: As the global pandemic of severe acute respiratory syndrome coronavirus-2 continues, so does the need for molecular tests with simple, painless, and easy sample collection. We aimed to investigate the potential use of saliva and anterior nasal swab samples as a noninvasive and selfcollectable specimen for the molecular diagnosis of coronavirus disease 2019 (COVID-19). Methods: We prospectively collected the saliva, anterior nasal swab, and conventional nasopharyngeal swab samples at the same time of patients hospitalized in a public hospital from March 2021 to September 2021. Patients were assessed for symptoms, and real-time polymerase chain reaction (RT-PCR) was performed on the samples. The results and cyclethresholds (Ct) of the three sample types were compared. Results: Three types of samples per patient were collected, and a total of 135 samples were collected. The mean age of the patients was 39.5 years (range, 9?71 years). The positive rates were 82.2% for nasopharyngeal swab samples, 35.6% for anterior nasal swab samples, and 55.6% for saliva samples. No significant differences in the Ct values between samples (P =0.256) were observed when comparing only the sets which were positive in all three sample types. Using nasopharyngeal swab RT-PCR as the reference standard, the sensitivity and specificity of the combined saliva and anterior nasal swab RT-PCR were 70.3% and 62.5%, respectively. Conclusions: Saliva and anterior nasal swab samples could not be used as alternative samples for COVID-19 diagnosis. Further studies with a larger number of patients are needed in the future.

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