Table 2.
Quantitative values of anti-N COI of participant groups divided based on the period from SARS-CoV-2 infection to blood collection.
| Groups * (Days after Infection) |
n | Minimum (COI) | Maximum (COI) |
Median (IQR) (COI) |
p < 0.05 from Groups |
|---|---|---|---|---|---|
| 6–10 (D1) | 5 | 0.07 | 1.59 | 0.11 (0.08–1.13) | D3, D4, D5, D6, D7 |
| 11–15 (D2) | 3 | 0.19 | 1.22 | 0.64 (0.30–1.08) | D3, D5, D6, D7 |
| 16–20 (D3) | 14 | 0.06 | 34.5 | 5.27 (1.05–22.4) | D1, D2, D6 |
| 21–25 (D4) | 9 | 0.83 | 27.2 | 3.88 (1.88–15.8) | D1 |
| 26–30 (D5) | 8 | 0.91 | 45.2 | 7.25 (2.03–31.6) | D1, D2 |
| 31–35 (D6) | 9 | 0.94 | 103.0 | 10.5 (7.20–55.9) | D1, D2, D3 |
| 36–62 (D7) | 10 | 3.30. | 37.4 | 16.5 (4.92–30.5) | D1, D2 |
* Groups were assigned based on the period from the time of SARS-CoV-2 infection to blood collection for anti-N antibody measurements. Abbreviations: COI, cutoff index; IQR, interquartile range.