Table 2 Diagnostic performance of tests used alone and combined considering the Candida culture of peritoneal samples
Test | Number of patients above the threshold | Sensitivity | Specificity | Positive predictive value | Negative predictive value |
|---|---|---|---|---|---|
Peritonitis score ≥ 3 | 106/199 | 62.1 [51.6–71.5] | 53.6 [44.4–62.5] | 50.9 [41.6–60.3] | 64.5 [54.4–73.5] |
Serum BDG (FA) ≥ 80 pg/ml | 65/140 | 59.0 [46.5–70.5] | 63.3 [52.3–73.1] | 55.4 [43.3–66.8] | 66.7 [55.4–76.3] |
Serum BDG (WT) ≥ 3.3 pg/ml | 18/42 | 70.6 [46.9–86.7] | 76.0 [56.6–88.5] | 66.7 [43.7–83.7] | 79.2 [59.5–90.8] |
Peritoneal BDG (WT) ≥ 45 pg/ml | 145/196 | 89.5 [81.3–94.4] | 38.2 [29.6–47.5] | 53.1 [45.0–61.0] | 82.3 [69.7–90.4] |
Peritoneal BDG (WT) ≥ 45 pg/ml or serum BDG (FA) ≥ 80 pg/ml or peritonitis score ≥ 3 | 130/140 | 98.5 [92.2–99.7] | 11.1 [5.1–18.3] | 48.6 [40.4–56.8] | 90.0 [59.6–98.2] |
Peritoneal BDG (WT) ≥ 45 pg/ml or serum BDG (WT) ≥ 3.3 pg/ml or peritonitis score ≥ 3 | 35/42 | 100.0 | 28.0 [14.3–47.6] | 48.6 [33.0–64.4] | 100.0 |