Table 2.
Areas under the receiver operating characteristic curves of eosinophil, total white cell, neutrophil count, CRP, and qSOFA as potential markers of bloodstream infection identified through univariate analysis
| Variable | Cut-off value | AUROC (95% CI) | P value* |
|---|---|---|---|
| Eosinophil count | < 24.4 cells/mm3 | 0.648 (0.547–0.748)0.648 (0.557–0.743)** | 0.007 |
| White cell count | > 10,950 cells/mm3 | 0.597 (0.472–0.723) | 0.185 |
| Neutrophil count | > 9033 cells/mm3 | 0.638 (0.519–0.758) | 0.040 |
| CRP, mg/l | > 4.89 mg/dl | 0.699 (0.597–0.802) | 0.001 |
| qSOFA | 0.502 (0.433–0.572) | 0.952 | |
| Chills | 0.556 (0.458–0.655) | 0.211 |
AUROC Area under the receiver operating characteristic curve
CI confidence interval, CRP C-reactive protein
QSOFA Quick Sequential (Sepsis-Related) Organ Failure Assessment
*P values by chi-squared, Mann-Whitney U test, or Fisher’s exact test
**Bootstrapping method (1000 bootstrap replicates)