| Sensitivity % | IgM | IgG | IgM + IgG |
| ≤80% | 6 (23.1%) | 2 (7.7%) | 1 (5.2%) |
| 80% - 90% | 15 (57.7%) | 6 (23.1%) | 3 (15.8%) |
| 90% - 95% | 3 (11.5%) | 4 (15.4%) | 9 (47.4%) |
| 95% - 97.5% | 1 (3.8%) | 4 (15.4%) | 3 (15.8%) |
| ≥97.5% | 1 (3.8%) | 10 (38.5%) | 3 (15.8%) |
| Total | 26 (100%) | 26 (100%) | 19 (100%) |