TABLE 1.
Serum group | No. of serum samples tested | No. of reactive samplesa | No. of nonreactive samples | Reactive samples (%) | Mean antigen concn (μg/ml) |
---|---|---|---|---|---|
PCM | |||||
Acute | 11 | 11 | 0 | 100 | 18.23 |
Chronic unifocal | 6 | 6 | 0 | 100 | 7.64 |
Chronic multifocal | 64 | 61 | 3 | 95.31 | 8.64 |
Histoplasmosis | 33 | 0 | 33 | 0 | 0 |
Cryptococosis | 20 | 0 | 20 | 0 | 0 |
NHS | 93 | 3 | 90 | 3.22 | 0.08 |
A sample was considered positive (i.e., reactive) if the antigen concentration was >1.35 μg/ml.