Table 1
Specificity of the commercial enzyme immunoassays (EIAs) for detecting Chlamydia trachomatis antibody when tested against a panel of Chlamydia psittaci/Chlamydia pneumoniae antibody positive sera as diagnosed by whole cell immunofluorescence assay
| Commercial EIA | Number negative out of 36 | Specificity (95% CI) |
|---|---|---|
| CI, confdence interval. | ||
| Medac Diagnostica | 35 | 97.2% (85.5% to 99.9%) |
| Labsystems | 34 | 94.4% (81.3% to 99.3%) |
| PBS Orgenics (Tracho PEP) | 34 | 94.4% (81.3% to 99.3%) |
| Savyon Diagnostics (SeroCT) | 33 | 91.7% (77.5% to 98.3%) |
| Vircell SL | 21 | 58.3% (40.8% to 74.5%) |
| Genzyme Virotech | 2 | 5.6% (0.68% to 18.7%) |
| Sanofi Pasteur (Platelia) | 0 | 0% (0% to 9.7%) |
