| Cut off value (O.D. index) | Serum galactomannan antigen interpretation | Culture positive (N = 21) | Culture negative (N = 111) | Sensitivity | Specificity | Positive predictive value | Negative predictive value |
|---|---|---|---|---|---|---|---|
| 0.5 | Positive (N = 43) | 17 | 26 | 80.9% | 76.6% | 39.5% | 95.5% |
| Negative (N = 89) | 4 | 85 | |||||
| 0.7 | Positive (N = 35) | 16 | 19 | 76.2% | 82.9% | 45.7% | 94.8% |
| Negative (N = 97) | 5 | 92 | |||||
| 1.0 | Positive (N = 27) | 16 | 11 | 76.2% | 90.1% | 59.3% | 95.2% |
| Negative (N = 105) | 5 | 100 | |||||
| 1.5 | Positive (N = 21) | 16 | 5 | 76.2% | 95.5% | 76.2% | 95.5% |
| Negative (N = 111) | 5 | 106 |
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