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This version was machine-translated from German and has not been medically reviewed. The authoritative version is the German version.

Bacterial Meningitis Score

Gram stain, CSF neutrophils, CSF protein, blood neutrophils, seizure – very low risk at 0 points (Nigrovic)

Bacteria on Gram stain of the CSF
Neutrophils in CSF ≥ 1000/µl
CSF protein ≥ 80 mg/dl
Neutrophils in blood ≥ 10 000/µl
Seizure before or at presentation

Calculation aid for healthcare professionals: the calculator reproduces what the sources cited assign to the inputs. Clinical assessment and every treatment decision remain with the treating physician. Inputs and results are not stored.

Frequently asked questions

Bacterial Meningitis Score: What does this calculator compute?

Bacterial Meningitis Score (Nigrovic 2002/2007) for children from 29 days of age with CSF pleocytosis: positive Gram stain (2), CSF neutrophils ≥ 1000/µl, CSF protein ≥ 80 mg/dl, blood neutrophils ≥ 10 000/µl and seizure (each 1) – at 0 points very low risk of bacterial meningitis (NPV 99.9 %).

Bacterial Meningitis Score: Which sources is this calculator based on?

Nigrovic LE, Kuppermann N, Malley R; Bacterial Meningitis Study Group: Development and validation of a multivariable predictive model to distinguish bacterial from aseptic meningitis in children in the post-Haemophilus influenzae era (Pediatrics 110:712–719) (2002); Nigrovic LE, Kuppermann N, Macias CG, et al.; Pediatric Emergency Medicine Collaborative Research Committee of the American Academy of Pediatrics: Clinical prediction rule for identifying children with cerebrospinal fluid pleocytosis at very low risk of bacterial meningitis (JAMA 297:52–60) (2007)