Table 2 Predictive performance of various BDG levels for diagnosing candidemia and suspected CP in different specimens
Cutoff value | Sensitivity | Specificity | PPV | NPV |
|---|---|---|---|---|
Candidemia | ||||
Serum BDG, pg/ml | ||||
70 | 100% | 100% | 100% | 100% |
80 | 100% | 100% | 100% | 100% |
90 | 75% | 100% | 100% | 96% |
Suspected CP | ||||
TA BDG, pg/mla | ||||
90 | 89% | 55% | 44% | 92% |
100 | 89% | 59% | 47% | 93% |
110 | 78% | 68% | 50% | 88% |
120 | 67% | 82% | 60% | 86% |
130 | 0% | 70% | 0% | 83% |
BAL BDG, pg/ml | ||||
110 | 89% | 73% | 57% | 94% |
120 | 89% | 77% | 62% | 94% |
130 | 89% | 86% | 73% | 95% |
140 | 89% | 91% | 80% | 95% |
150 | 67% | 91% | 75% | 95% |
Serum BDG, pg/ml | ||||
20 | 67% | 41% | 32% | 75% |
25 | 33% | 59% | 25% | 68% |
30 | 0% | 73% | 0% | 64% |