Table 3 Efficacy of serum procalcitonin, total leukocyte count & cerebrospinal fluid cytochemistry in diagnosis of bacterial meningitis
From: Serum procalcitonin in bacterial & non-bacterial meningitis in children
Test | Sensitivity | Specificity | Area under curve (95% confidence interval) | P value |
|---|---|---|---|---|
Procalcitonin | 95.45% | 84.6% | 0.991 (0.974–1.00) | < 0.001 |
TLC | 81.8% | 50.0% | 0.679 (0.523–0.835) | 0.034 |
CSF | ||||
TLC | 54.5% | 62.5% | 0.566 (0.4–0.731) | 0.438 |
Neutrophil | 27.3% | 88.0% | 0.656 (0.496–0.817) | 0.064 |
Glucose | 90.9% | 15.2% | 0.537 (0.37–0.704) | 0.664 |
Protein | 68.2% | 58.7% | 0.788 (0.66–0.915) | 0.001 |