Table 1 Correlation between SARS-CoV-2 NT antibody activities and S-IgG, S-IgM, N-IgG antibody levels.
NT antibody (titers) | Positive/negative | Sample number | S-IgG | S-IgM | N-IgG | |||
|---|---|---|---|---|---|---|---|---|
Positive (%) | Negative (%) | Positive (%) | Negative (%) | Positive (%) | Negative (%) | |||
≧ 0, < 5 | Negative | 39 | 6 (15) | 33 (85) | 4 (10) | 35 (90) | 3 (8) | 36 (92) |
≧ 5, < 10 | Positive | 13 | 11 (85) | 2 (15) | 11 (85) | 2 (15) | 10 (77) | 3 (23) |
≧ 10, < 20 | Positive | 15 | 13 (87) | 2 (13) | 13 (87) | 2 (13) | 13 (87) | 2 (13) |
≧ 20, < 40 | Positive | 26 | 26 (100) | 0 (0) | 25 (96) | 1 (4) | 25 (96) | 1 (4) |
≧ 40, < 80 | Positive | 29 | 29 (100) | 0 (0) | 28 (97) | 1 (3) | 28 (97) | 1 (3) |
≧ 80, < 160 | Positive | 14 | 14 (100) | 0 (0) | 14 (100) | 0 (0) | 14 (100) | 0 (0) |
≦ 160 | Positive | 5 | 5 (100) | 0 (0) | 5 (100) | 0 (0) | 5 (100) | 0 (0) |
