Table 1.
Basic characteristics of patients with postoperative meningitis (POM)
| Variable | Mean ± SD | ||
|---|---|---|---|
| Age | 46.41 ± 16.94 | ||
| Length of hospital stay before surgery (days) | 2.26 ± 2.95 | ||
| Duration of surgery (hours) | 5.49 ± 2.56 | ||
| Time between surgery and POM diagnosis (days) |
3.67 ± 2.95 | ||
| Mechanical Ventilation (days) | 10.04 ± 10.76 | ||
| CSF lactate (mmol/l) | 55.57 ± 32.68 | ||
| Length of ICU stay (days) | 11.05 ± 7.66 | ||
| Length of hospital stay (days) | 24.44 ± 15.44 | ||
| Sex[n (%)] | Men | 18 (52.5) | |
| Women | 16 (47.1) | ||
| Diagnosis[n (%)] | Brain tumor | 15 (44.1) | |
| Adenoma | 5 (14.7) | ||
| Hydrocephalus | 7 (20.6) | ||
| Cerebrovascular disease | 4 (11.8) | ||
| Trauma | 2 (5.9) | ||
| Colloid cyst | 1 (2.9) | ||
| Type of surgery[n (%)] | Open | 32 (94.1) | |
| Close | 2 (5.9) | ||
| Surgery status[n (%)] | Emergency | 11 (32.4) | |
| Elective | 23 (67.6) | ||
| Mechanical Ventilation[n (%)] |
Yes | 23 (67.6) | |
| No | 11 (32.4) | ||
| Prophylactic Antibiotics[n (%)] |
Yes | 34 (100) | |
| No | 0 (0) | ||
| Postoperative ventricular drain[n (%)] or shunt |
Yes | 8 (23.5) | |
| No | 26 (76.5) | ||
| Headache[n (%)] | Yes | 23 (65.7) | |
| No | 12 (34.3) | ||
| Fever[n (%)] | Yes | 18 (52.5) | |
| No | 16 (47.1) | ||
| GCS[n (%)] | 3-8 | 16 (47.1) | |
| 9-12 | 9 (26.5) | ||
| 13-15 | 9 (26.5) | ||
| CSF culture[n (%)] | Yes | 5 (14.7) | |
| Acinetobacter | 4 (11.8) | ||
| Staphylococcus | 1 (2.9) | ||
| No | 29 (85.3) | ||
| Outcome[n (%)] | Death | 17 (50.0) | |
| Mild disability | 2 (5.9) | ||
| Recovery | 15 (44.1) | ||
SD: Standard deviation; POM: Postoperative meningitis; CSF: Cerebrospinal fluid; ICU: Intensive care unit; GCS: Glasgow coma scale