http://reference.medscape.com/calculator/bacterial-meningitis-score-child

Bacterial Meningitis Score for Children

Select Criteria:

Gram stain of CSF positive (2 points)

CSF Protein more than 80 mg/dL (1 point)

Blood absolute neutrophil count 10,000 cells/cubic mm or more (1 point)

Incidence of seizures with illness (1 point)

Spinal fluid neutrophil count >= 1000 cells per cubic mm (1 point)

Results: Total Criteria Point Count:

Risk of bacterial meningitis

0 points: Aseptic meningitis very likely

1 point: Aseptic menigitis less likely

2-6 points: Bacterial Meningitis MORE likely ¹⁾