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Assay performance to discriminate pre- and post-infection (n = 12)*.
| Assay | Cut-off | Sensitivity (%) | 95% CI (%) | Specificity (%) | 95% CI (%) | P-value |
| Anti-PGL-I IgM ELISA | OD450–background > 0.1228 | 100.00 | 75.75–100.00 | 91.67 | 64.61–99.57 | <0.0001 |
| Anti-PGL-I IgM UCP-LFA | R > 0.07 | 100.00 | 75.75–100.00 | 100.00 | 75.75–100.00 | <0.0001 |
| Anti-PGL-I IgG ELISA | na |
