Volume 29, Number 7—July 2023
Research
Trajectory and Demographic Correlates of Antibodies to SARS-CoV-2 Nucleocapsid in Recently Infected Blood Donors, United States
James M. Haynes, Roger Y. Dodd, Lauren A. Crowder, Edward P. Notari, and Susan L. Stramer
Table 4
Days to seroreversion by peak nucleocapsid S/CO at a mean age of 52 for study of trajectory and demographic correlates of antibodies to SARS-CoV-2 nucleocapsid in recently infected blood donors, United States, June 2020‒June 2021*
| Percent decile | Peak S/CO Ln (raw) | Days to 100% seroreversion |
|---|---|---|
| 100 | 5.71 (301.87) | 1,005 |
| 90 | 5.19 (179.47) | 914 |
| 80 | 4.91 (135.64) | 865 |
| 70 | 4.64 (103.54) | 817 |
| 60 | 4.34 (76.71) | 765 |
| 50 | 4.03 (56.26) | 709 |
| 40 | 3.70 (40.45) | 652 |
| 30 | 3.29 (26.84) | 580 |
| 20 | 2.80 (16.44) | 494 |
| 10 | 2.11 (8.25) | 372 |
*Ln, natural log; S/CO, signal-to-cutoff value.
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