Skip to main content
. 2020 Jul 7;9(1):1537–1545. doi: 10.1080/22221751.2020.1787103

Table 3. Viral shedding in COVID-19 patients with different severity.

Variable Value P Value
Overall (n = 303) Mild (n = 277) Severe-critical (n = 26)
Time from onset to negative nucleic acid detection in pharyngeal swab—days 8 (5–12) 8 (5–11) 16 (8–22.5) <0.001
Time from onset to negative nucleic acid detection in blood—days 14 (10–18) 13 (10–17) 22.5 (16.5–30) <0.001
Time from onset to negative nucleic acid detection in urine—days 8 (5–11) 7 (5–10) 12 (7–21) <0.001
Time from onset to negative nucleic acid detection in faeces—days 10 (7–15) 10 (7–13) 21 (16.8–29) <0.001
Time from antiviral therapy to negative nucleic acid detection in pharyngeal swab—days 2 (1–6) 2 (1–6) 11 (3.8–15.5) <0.001
Time from antiviral therapy to negative nucleic acid detection in blood—days 9 (5–12) 9 (2–11) 19 (13.8–24) <0.001
Time from antiviral therapy to negative nucleic acid detection in urine—days 2 (1–4) 1 (1–4) 6 (2–14.5) <0.001
Time from antiviral therapy to negative nucleic acid detection in faeces—days 4 (2–10) 4 (1–8) 15.5 (11.5–20.8) <0.001

Values are presented by median (interquartile range). Median values of mild and severe-critical cases are compared with Mann–Whitney U test.