Descriptive analysis of the overall cohort
| Variable | SC group (n=66) | EVC group (n=69) | p Value |
|---|---|---|---|
| Age (years) (mean±95% CI (SD)) | 54.56±3.41 (12.34) | 56.65±3.33 (15.43) | 0.3873 |
| Age ≥75 years | 2 (3.03) | 13 (18.84) | 0.0048 |
| Female sex | 49 (72.24) | 44 (63.77) | 0.4678 |
| Previous SAH | 1 (1.51) | 2 (2.90) | 1.0000 |
| Hypertension | 24 (36.36) | 29 (42.03) | 0.5973 |
| Smoker | 23 (34.85) | 30 (43.48) | 0.2867 |
| Previous CVA | 0 | 4 (5.80) | 0.1198 |
| Statin | 9 (13.36) | 16 (23.19) | 0.1863 |
| Magnesium | 36 (54.54) | 35 (50.72) | 0.7311 |
| WFNS grades 1–3 | 47 (71.21) | 49 (71.01) | 1.0000 |
| WFNS grades 4–5 | 19 (28.78) | 20 (28.99) | |
| APACHE II score (median (IQR)) | 13 (10) | 14 (10.5) | 0.3681 |
| APACHE >15 | 27 (40.91) | 32 (46.37) | 0.6033 |
| GCS (median (IQR)) | 14 (3) | 14 (6) | 0.5962 |
| Aneurysm location | |||
| Anterior | 61 (92.42) | 52 (75.36) | 0.0096 |
| Posterior | 5 (7.58) | 17 (24.64) | |
| Aneurysm size | |||
| ≤10 mm | 52 (78.79) | 57 (82.60) | 0.7546 |
| >10 mm | 8 (12.12) | 8 (11.59) | |
| Missing data | 6 (9.09) | 4 (5.80) | |
| Hydrocephalus | 35 (53.03) | 37 (53.62) | 1.0000 |
| Moderate–severe vasospasm | 35 (53.85) | 30 (46.88) | 0.4831 |
| Severe vasospasm | 19 (29.23) | 15 (23.44) | 0.5498 |
| Endovascular treatment of vasospasm | 19 (29.23) | 23 (35.94) | 0.4561 |
| TBA | 8 | 5 | |
| Vasodilators | 18 | 22 | |
| No of vasospasm interventions (mean±95% CI) | 4.89±1.38 | 3.23±1.28 | 0.0806 |
Values are (n (%)) unless otherwise stated.
APACHE II, Acute Physiology and Chronic Health Evaluation II; CVA, cerebrovascular accident; EVC, endovascular coiling; GCS, Glasgow Coma Scale; SAH, subarachnoid hemorrhage; SC, surgical clipping; TBA, transluminal balloon angioplasty; WFNS, World Federation of Neurosurgical Societies.