Table 1.
Shunt (n = 21) | Non-Shunt (n = 86) | p-Value | |
---|---|---|---|
Gender (M/F) | 6/15 | 42/44 | 0.53 |
Age (years) (median, range) | 57 (29-78) | 56 (21-83) | 0.77 |
Clinical grade at admission | |||
H-Ha 1-3 | 15 (71.4%) | 65 (75.5%) | 0.72 |
H-Ha 4-5 | 6 (28.6%) | 21 (24.5%) | |
Radiology at admission | |||
Modified Fisher 1 + 2 (minimal SAH) | 3 (14.2%) | 38 (44.2%) | |
Modified Fisher 3 + 4 (large SAH) | 18 (85.8%) | 48 (55.8%) | 0.008 |
Bleeding Supratentorial | 5 (24%) | 18 (21%) | |
Bleeding Infratentorial | 1 (5%) | 0 | 0.09 |
Evans index (median, range) | 0.29 (0.23-0.33) | 0.27 (0.21-0.36) | 0.52 |
Third ventricle in mm | 8 (4.7-13.7) | 6.9 (3-14.3) | |
Ventricular Score | 79.3 (60-92.6) | 70 (51-103.7) | 0.003 |
Aneurysmal Source of bleeding | |||
Middle cerebral artery | 7 (33%) | 20 (23%) | |
Internal carotid artery | 3 (14%) | 8 (9%) | |
Anterior cerebral artery | 5 (24%) | 21 (24%) | |
Posterior circulation | 4 (19%) | 11 (13%) | |
Non-aneurysmal | 2 (9%) | 26 (30%) | 0.08 |
Surgical Intervention | |||
EVD/LDb | 16 (76%) | 28 (32%) | < 0.001 |
Lamina Terminalis Opening | 5 (24%) | 17 (20%) | 0.09 |
Decompressive craniectomy | 1 (5%) | 6 (7%) | 0.07 |
CSF Drainage | |||
Drainage week 1 (ml) (median, range) | 1523 ± 158 | 1258 ± 122 | 0.63 |
Drainage week 1-3 (ml) (median, range) | 3364 ± 308 | 2683 ± 233 | 0.76 |
Clinical vasospasm | 15 (71%) | 36 (42%) | 0.015 |
Significant differences between groups were determined by chi-square test or Fisher exact test for dichotomized or categorical data as appropriate
Continuous data were determined using independent sample T-student test or Mann-Whitney U-test
a HH Hunt and Hess grade
b EVD/LD Extraventricular drainage or lumbar drainage performed