Table 3.
Diagnostic Values of β-d-Glucan
| Characteristics | Overall (n = 141) | Diagnostic (n = 108) | Surveillance (n = 33) |
|---|---|---|---|
| TP, n (%) | 4 (2.8) | 4 (3.7) | 0 (0.0) |
| FN, n (%) | 4 (2.8) | 4 (3.7) | 0 (0.0) |
| TN, n (%) | 112 (79.4) | 89 (82.4) | 23 (69.7) |
| FP, n (%) | 21 (14.9) | 11 (10.2) | 10 (30.3) |
| Sensitivity, % (95% CI) | 50.0 (15.7–84.3) | 50.0 (15.7–84.3) | - |
| Specificity, % (95% CI) | 84.2 (76.9–90.0) | 89.0 (81.2–94.4) | 69.7 (51.3–84.4) |
| PPV, % (95% CI) | 16.1 (8.0–29.8) | 26.7 (13.0–46.9) | 0.0 |
| NPV, % (95% CI) | 96.5 (93.3–98.2) | 95.7 (91.7–97.8) | 100.0 |
Abbreviations: CI, confidence interval; FN, false negative; FP, false positive; NPV, negative predictive value; PPV, positive predictive value; TN, true negative; TP, true positive.