Sample source rRNA Gene Sensitivity (%) Specificity (%) PPV (%) NPV (%)
Blood 18s 50 80 73 59
Blood 5.8s 90 40 61 80
Serum 18s 5 84 25 46
Serum 5.8s 50 50 52 48
Note: The controls are negative controls (patients without proven probable or possible fungal infections).
PCR: Polymerase Chain Reaction; PPV: Positive Predictive Value; NPV: Negative Predictive Value.
Table 2: Performance of PCR test in patients with invasive aspergillosis.