Table 4. Comparison of nAb responses between participants with (n = 33) and without (n = 232) prolonged viral shedding after adjusting for COVID-19 severity, demographics (age, sex assigned at birth, BMI, and region), and days since SARS-CoV-2 diagnosis among symptomatic outpatients and hospitalized individuals in Americas cohort.
| Titer | Response Rate | Response Titer | |||||
|---|---|---|---|---|---|---|---|
| OR | 95% CI | p-value | GMR | 95% CI | p-value | ||
| Prolonged Viral Shedding (Yes vs No) | ID50 | 2.26 | [0.65, 10.66] | 0.239 | 0.71 | [0.36, 1.37] | 0.304 |
| ID80 | 0.75 | [0.29, 2.02] | 0.564 | 0.75 | [0.45, 1.25] | 0.278 | |
BMI, body mass index; CI, confidence interval; COVID-19, Coronavirus Disease 2019; GMR, geometric mean ratio; nAb, neutralizing antibody; OR, odds ratio; SARS-CoV-2, Severe Acute Respiratory Syndrome Coronavirus 2.