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. 2021 Aug 6:hvab148. doi: 10.1093/clinchem/hvab148

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© American Association for Clinical Chemistry 2021. All rights reserved. For permissions, please email: journals.permissions@oup.com.

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Fig. 2. — Correlation of serum N-Ag concentrations with disease severity (A) in cases with different highest level of care, including asymptomatic (Asymp), symptomatic but discharged (Discharged), hospitalized to non-ICU (non-ICU), and hospitalized to ICU (ICU); (B), in cases without medical interventions, with noninvasive oxygenation (NIO), or with mechanical ventilation (MV); (C) in cases without or with abnormal chest imaging; and (D) in cases with different length of hospital stay, including 0, 1 to 10, 11 to 20, and >20 days. All serum samples were collected during days 3 to 7 from symptom onset. P-values are provided on top of the group comparisons. The case number(n) is indicated under each group.