TABLE 4.
C. trachomatis antibody status in samples positive and negative for C. pneumoniae
| Group and assay | No. of samples tested by each C. trachomatis assay with the following C. pneumoniae result by MIF:
|
% of patient group positive for C. trachomatis by each assay and with the following C. pneumoniae result by MIF:
|
P value by Fisher's exact test | ||
|---|---|---|---|---|---|
| Negative | Positive | Negative | Positive | ||
| Children not exposed to C. trachomatisb | |||||
| Pgp3 | 531 | 191 | 1.9 | 3.7 | 0.14 |
| Ani Labsystems | 436a | 144 | 1.1 | 0.7 | 0.54 |
| SeroCT | 531 | 191 | 2.8 | 2.6 | 0.56 |
| Medac | 531 | 191 | 3.8 | 4.7 | 0.35 |
| C. trachomatis-exposed patients | |||||
| Pgp3 | 110 | 246 | 55.5 | 58.9 | 0.31 |
| Ani Labsystems | 110 | 246 | 46.4 | 50.4 | 0.28 |
| SeroCT | 110 | 246 | 44.5 | 48.4 | 0.29 |
| Medac | 110 | 246 | 38.2 | 47.2 | 0.07 |
| MIF for C. trachomatis | 110 | 246 | 42.7 | 60.2 | 0.0017 |
a
HPA pediatric serum samples had insufficient volume available for the Ani Labsystems assay.
b
Results exclude the 18 sera positive for C. trachomatis by MIF.