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ORF1ab Ct Values Distinguish between Critically Ill and Moderate COVID-19 Patients
(A) ORF1ab Ct values in viral tests with qRT-PCR in critically ill (n = 25), severe (n = 15), and moderate (n = 40) patients with COVID-19 from admission to discharge.
(B) Time windows of ORF1ab Ct values for disease classification between those three types.
The IDD is marked by the dotted lines. Data show means ± SEM. ∗∗p < 0.01; a mixed model with repeated measure. ns, not significant.
