Pediatrics · Emergency Medicine · Infectious Disease
Bacterial Meningitis Score calculator
Enter the published formula inputs below to calculate and interpret this score.
Clinical inputs
Use only for children 29 days to 19 years old with CSF pleocytosis who are not critically ill or immunosuppressed, have no purpura, no recent antibiotics, and no neurosurgery, CSF shunt, or other bacterial infection requiring antibiotics.
Result
Complete all required inputs to calculate the score.
Formula inputs
- Eligibility confirmation
- Positive CSF Gram stain (+2)
- CSF absolute neutrophil count >1,000 cells/µL (+1)
- CSF protein >80 mg/dL (+1)
- Peripheral-blood absolute neutrophil count >10,000 cells/µL (+1)
- Seizure before or at presentation (+1)
Primary source
Nigrovic LE et al. Development and validation of a multivariable predictive model to distinguish bacterial from aseptic meningitis in children in the post-Haemophilus influenzae era. Pediatrics (2002)
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