Table 4.
Baseline characteristics of shunt procedures: Cohorts' comparison
| No. PROCEDURES (%) (n = 119) | |||
|---|---|---|---|
| VARIABLES | TREATMENT COHORT (n = 72) | CONTROL COHORT (n = 47) | p value |
| Age: | 0.027 | ||
| ≤6 months | 6 (8.3) | 8 (17.0) | NS |
| 7 months-14 years | 7 (9.7) | 12 (25.5) | 0.021 |
| 15-69 years | 40 (55.6) | 16 (34.0) | 0.022 |
| ≥70 years | 19 (26.4) | 11 (23.4) | NS |
| Sex Male | 38 (52.7) | 30 (63.8) | 0.234 |
| CSF infection in previous 6 months | 16 (22.2) | 10 (21.3) | 0.903 |
| Previous shunt | 16 (22.2) | 19 (40.4) | 0.033 |
| Diagnosis: | 0.071 | ||
| Traumatic brain injury | 4 (5.6) | 0 (0) | NS |
| Vascular disease | 6 (8.3) | 3 (6.4) | NS |
| CVA +/- IVH | 1 (1.4) | 0 (0) | NS |
| Tumour | 21 (29.2) | 6 (12.8) | NS |
| Premature IVH | 6 (8.3) | 5 (10.6) | NS |
| Normal-pressure hydrocephalus | 17 (23.6) | 16 (34.0) | NS |
| Others | 17 (23.6) | 17 (36.1) | NS |
| Type of surgery: | 0.001 | ||
| De novo | 55 (76.4) | 27 (57.4) | 0.029 |
| Proximal revision | 6 (8.3) | 2 (4.3) | NS |
| Distal revision | 4 (5.5) | 0 (0) | NS |
| Full revision | 7 (9.7) | 18 (38.3) | <0.001 |
| Follow-up, median (IQR), days | 384.5 (184-704.75) | 385 (144-1085) | 0.910 |
n: sample size; CSF: cerebrospinal fluid; CVA: cerebrovascular accident; IVH: intraventricular haemorrhage; IQR: interquartilic range; NS: non significant