LETTER TO THE EDITORS

Acute Meningitis in the Pediatric Emergency Department Diagnostic Yield of Procalcitonin and C-Reactive Protein

TABLE 2. Comparison of Mean C-Reactive Protein and Procalcitonin Levels

C-reactive protein, mg/L Procalcitonin, ng/mL White blood cells, mm3

Viral meningitis* n = 32 (48.5%)

Bacterial meningitis† n = 34 (51.5%)

P

16.6 (16.4) 0.20 (0.32) 13.243 (4.705)

101.67 (61.92) 20.56 (22.20) 14.394 (11.424)

0.01 1 year to ≤ 14 years). Infants younger than 5 days were excluded because increased levels of PCT are physiological in newborns, and patients suspected of having another site of bacterial infection were also excluded to avoid false positives.4 We applied the same reference values (CRP, 0-8 mg/L; PCT,

Acute meningitis in the pediatric emergency department: diagnostic yield of procalcitonin and C-reactive protein.

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