Risk factors analysis for meningitis
| Meningitis | OR (CI 95%) | p (<0.05) |
| LD versus EVD | 1.39 (0.58–3.30) | 0.46 |
| Previous trauma | 3.21 (1.00–10.33) | 0.04 |
| Intraventricular blood (cranial CT; NSICU) | 4.93 (1.57–15.45) | 0.003 |
| LD placement >9 days | 1.38 (0.29–6.48) | 0.68 |
| EVD placement >9 days | 0.61 (0.25–1.48) | 0.27 |
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EVD, external ventricular drain; LD, lumbar drain; NSICU, neurosurgical intensive care unit.









