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- Title
The Correlation Between Clinical Features and Viral RNA Shedding in Outpatients With COVID-19.
- Authors
Liao, Tingting; Yin, Zhengrong; Xu, Juanjuan; Lv, Zhilei; Wang, Sufei; Duan, Limin; Fan, Jinshuo; Jin, Yang
- Abstract
Background Patients infected with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) can shed virus, thereby causing human-to-human transmission, and the viral RNA shedding is commonly used as a proxy measure for infectivity. Methods We retrospectively reviewed confirmed cases of COVID-19 who attended the fever clinic of Wuhan Union Hospital from January 14 to February 24. In terms of the viral RNA shedding (median values) at first visit, patients were divided into a high–viral RNA shedding group and a low–viral RNA shedding group. Univariate and multivariate logistic regression analysis were performed to investigate the correlation between viral RNA shedding and clinical features. Results A total of 918 consecutive COVID-19 patients were enrolled, and severe patients made up 26.1%. After univariate and multivariate logistic regression, advanced age (odds ratio [OR], 1.02; 95% CI, 1.01–1.03; P =.001), having severe chronic diseases (OR, 1.44; 95% CI, 1.03–2.01; P =.04), and severe illness (OR, 1.60; 95% CI, 1.12–2.28; P =.01) were independent risk factors for high viral RNA shedding. Shorter time interval from symptom onset to viral detection was a protective factor for viral RNA shedding (OR, 0.97; 95% CI, 0.94–0.99; P =.01). Compared with mild patients, severe patients have higher virus shedding over a long period of time after symptom onset (P =.01). Conclusions Outpatients who were old, had severe illness, and had severe underlying diseases had high viral RNA shedding.
- Subjects
VIRAL shedding; COVID-19; LOGISTIC regression analysis; SARS-CoV-2; OUTPATIENTS
- Publication
Open Forum Infectious Diseases, 2020, Vol 7, Issue 8, p1
- ISSN
2328-8957
- Publication type
Article
- DOI
10.1093/ofid/ofaa331