TABLE 2.
Comparison of the Sabin-Feldman dye test with the combination of the Vitros anti-Toxoplasma-specific IgG and IgM assays
| Sabin-Feldman dye test result | No. (%) with the following Vitros IgG and IgM assay result:
|
Total | |
|---|---|---|---|
| Negative | Positive | ||
| Negative | 168 (23.4) | 0 | 168 (23.4) |
| Positive | 34a (4.7) | 517 (71.9) | 551 (76.6) |
| Total | 202 (28.1) | 517 (71.9) | 719 (100.0) |
a
All 34 samples that were negative by the Vitros Toxoplasma IgG and/or IgM assay but positive by the Sabin-Feldman dye test represented chronic infections.