Typical CSF findings
(beyond neonatal period)
| Parameter | Bacterial | Viral |
|---|---|---|
|
(predominantly neutrophils) |
(predominantly lymphocytes, although neutrophils may be significant early in illness) |
|
Protein |
Elevated |
Normal |
Glucose |
Reduced |
Normal |
CSF:serum glucose ratio |
<0.4 |
>0.6 |
NB: Normal CSF findings can be found in 5% of early bacterial meningitis cases.