Comparison of ELISA and WHIF tests showing the Chlamydia trachomatis IgG antibody titre distribution
| Commercial ELISA | In-house ELISA | |||||
|---|---|---|---|---|---|---|
| WHIF test | + | Eq | − | + | Eq | − |
| Eq = equivocal. | ||||||
| ≥512 | 15 | 1 | 2 | 18 | − | − |
| 256 | 3 | − | 1 | 3 | 1 | − |
| 128 | 4 | − | − | 2 | 1 | 1 |
| 64 | 2 | − | 4 | 4 | 1 | 1 |
| ≤64 | 1 | 1 | 1 | 2 | − | 1 |