Table III.
Area under the receiver-operator characteristics (ROC) curve (AUC) for significant parameters to discriminate skin or soft tissue infection (SSTI) and herpes zoster
| AUC (95% CI) | Cut-off (for SSTI) | Sensitivity | Specificity | Youden Index | |
|---|---|---|---|---|---|
| Body temperature | 0.699 (0.582–0.816) | ≥ 37.5 | 48.6% | 87.0% | 0.43 |
| C-reactive protein | 0.880 (0.812–0.948) | ≥ 2.05 mg/dl | 80% | 83.8% | 0.64 |
| Leukocytes | 0.730 (0.631–0.829) | ≥ 7.3 × 109/l | 75% | 67.6% | 0.43 |
| Neutrophils | 0.717 (0.609–0.824) | ≥ 4.23 × 109/l | 84.4% | 54.20% | 0.39 |
| Basophils | 0.665 (0.553, 0.776) | ≤ 0.15 × 109/l | 85.3% | 59.7% | 0.26 |
CI: confidence interval.