Table 2.
Baseline characteristics of all the procedures included for analysis: Cohorts' comparison
| No. PROCEDURESS (%) (n = 231) | |||
|---|---|---|---|
| VARIABLES | TREATMENT COHORT (n = 119) | CONTROL COHORT (n = 112) | p value |
| Type of device EVD | 47 (39.5) | 65 (58.0) | 0.005 |
| Age: | 0.600 | ||
| ≤6 months | 12 (10.1) | 10 (8.9) | NS |
| 7 months-14 years | 10 (8.4) | 15 (13.4) | NS |
| 15-69 years | 71 (59.7) | 67 (59.8) | NS |
| ≥70 years | 26 (21.8) | 20 (17.9) | NS |
| Sex Male | 68 (57.1) | 64 (57.1) | 1 |
| Diagnosis: | 0.182 | ||
| Traumatic brain injury | 8 (6.7) | 10 (8.9) | NS |
| Vascular disease | 17 (14.3) | 24 (21.4) | NS |
| CVA +/- IVH | 12 (10.1) | 18 (16.1) | NS |
| Tumour | 33 (27.7) | 18 (16.1) | NS |
| Premature IVH | 12 (10.1) | 6 (5.4) | NS |
| Normal-pressure hydrocephalus | 17 (14.3) | 16 (14.3) | NS |
| Others | 20 (16.8) | 20 (17.9) | NS |
| Follow-up, median (IQR), days | 159 (11-518) | 16 (9-266) | 0.002 |
n: sample size; EVD: external ventricular drain; CVA: cerebrovascular accident; IVH: intraventricular haemorrhage; IQR: interquartilic range; NS: non significant