Table 4.
Characteristics of the study patients.
| Variable | Number of patients (%) | |||
|---|---|---|---|---|
| Infection | No-infection | |||
| Ventriculitis | Colonization | Contamination | Negative microbiological results | |
| Total number of patients (n = 396) | 21 (5.3%) | 11 (2.8%) | 38 (9.6%) | 326 (82.3%) |
| Sex | ||||
| Male (n = 176) | 11 (52.4%) | 5 (45.5%) | 14 (36.8%) | 146 (44.8%) |
| Female (n = 220) | 10 (47.6%) | 6 (54.5%) | 24 (63.2%) | 180 (55.2%) |
| Age (in years)—mean (range) | 51.3 (20–70) | 56 (37–73) | 54.6 (30–72) | 54.4 (18–89) |
| EVD from another hospital (n = 17) | 2/21 | 2/11 | 1/38 | 12/326 |
| Room of procedure | ||||
| OR (n = 171) | 7 (33.3%) | 6 (54.5%) | 13 (34.2%) | 142 (43.6%) |
| ICU (n = 225) | 14 (66.7%) | 5 (45.5%) | 25 (65.8%) | 184 (56.4%) |
| Indication for EVD | ||||
| SAH (n = 262) | 13 (61.9%) | 9 (81.8%) | 28 (73.7%) | 212 (65%) |
| Tumor (n = 43) | 2 (9.5%) | 0 | 4 (10.5%) | 37 (11.3%) |
| Trauma (n = 8) | 0 | 0 | 1 (2.6%) | 7 (2.1%) |
| ICH (n = 68) | 6 (28.6%) | 2 (18.2%) | 5 (13.2%) | 55 (16.9%) |
| Other (n = 15) | 0 | 0 | 0 | 15 (4.6%) |
Values are expressed as numbers (%) or as mean (range).
EVD, external ventricular drainage; ICH, intracerebral hemorrhage; ICU, intensive care unit; OR, operating room; SAH, subarachnoid hemorrhage.