| CSF culture | No. of cases |
| No growth | 85 |
| Total CSF positive culture | 12 |
| Coagulase negative staphylococcus | 4 |
| Klebsiella | 3 |
| Acinotobacter baumani | 2 |
| Pseudomonas argineusa | 2 |
| MRSA | 1 |