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Diagnostic capacity of alveolar sTREM and peritoneal sTREM
| Abdominal infection | Lung infection | |
|---|---|---|
| Peritoneal sTREM ≥900 pg/mL | Alveolar sTREM ≥900 pg/mL | |
| Sensitivity | 92% | 81% |
| Specificity | 100% | 80% |
| Positive predictive value | 100% | 93% |
| Negative predictive value | 90% | 57% |
| Area under the curve | 0.903 (0.078) | 0.775 (0.124) |
sTREM, soluble triggering receptor expressed on myeloid cells.
