Lumbar puncture results on days 1 and 5 after meningitis onset
| Normal values | Day 1 | Day 5 | |
| Leukocytes (106/L) | 0–4 | 90 | 741 |
| Neutrophils (%) | 52 | 13 | |
| Lymphocytes (%) | 22 | 78 | |
| Erythrocytes (106/L) | 0 | <1 | 6 |
| Proteins (mg/L) | 150–450 | 915 | 1042 |
| Glucose (mmol/L) | 2.2–4.4 | 3.5 | 2.3 |
| CSF/blood glucose ratio | >0.6 | 0.58 | 0.38 |
CSF, cerebrospinal fluid.