TABLE 4.
Sensitivity, specificity, and positive and negative predictive values of biological tests calculated per sample of the patient groups examineda
| Test type | Sensitivity (%) | Specificity (%) | Negative predictive value (%) | Positive predictive value (%) |
|---|---|---|---|---|
| rAspf4 IgE detection | 81.6 (40/49) | 88.3 (53/60) | 85.5 (53/62) | 85.1 (40/47) |
| rAspf6 IgE detection | 46.9 (23/49) | 86.6 (52/60) | 66.6 (52/78) | 74.2 (23/31) |
| Anti-Aspergillus IgG ELISA | 87.7 (43/49) | 73.3 (44/60) | 88.0 (44/50) | 87.7 (43/49) |
| IE | 85.7 (42/49) | 73.3 (44/60) | 86.3 (44/51) | 87.5 (42/48) |
| Total IgE detection | 47.9 (23/48) | 87.5 (35/40) | 58.3 (35/60) | 82.1 (23/28) |
| Culture of Aspergillus in sputum | 32.5 (13/40) | 69.2 (36/52) | 57.1 (36/63) | 44.8 (13/29) |
a
Samples of probable ABPA and samples collected before diagnosis of proven ABPA have been excluded.