Initial comparison of the two study groups
| Standard group (n=32) (procedure=33) (aneurysm=35) | Aggregometry group (n=68) (procedure=71) (aneurysm=83) | p Value | |
|---|---|---|---|
| Basic characteristics | |||
| Age in years (mean) | 51.4 | 50.5 | 0.98 |
| Male gender (n, %) | 11 (34%) | 22 (32%) | 0.87 |
| Hypertension (n, %) | 14 (43%) | 27 (40%) | 0.85 |
| Smoking (n, %) | 12 (38%) | 23 (34%) | 0.78 |
| Thrombocyte count (mean) | 276.000/mm3 | 283.000/mm3 | 0.98 |
| Presentation | |||
| Recent (<4 weeks) SAH (n, %) | 4 (12%) | 6 (9%) | 0.42 |
| Mass effect/edema-MRI (n, %) | 6 (19%) | 16 (23%) | 0.35 |
| Aneurysm characteristics | |||
| Anterior circulation (n, %) | 28 (87%) | 59 (87%) | 0.93 |
| Posterior circulation (n, %) | 4 (13%) | 9 (13%) | 0.48 |
| Aneurysm size <10 mm (n, %) | 24/35 (68%) | 43/83 (52%) | 0.10 |
| Aneurysm size 10–20 mm (n, %) | 6/35 (17%) | 23/83 (28%) | 0.10 |
| Aneurysm size >20 mm (n, %) | 5/35 (15%) | 17/83 (20%) | 0.23 |
| Saccular (n, %) | 29/35 (83%) | 71/83 (86%) | 0.71 |
| Fusiform/dissecting/blister (n, %) | 6/35 (17%) | 12/83 (14%) | 0.43 |
| Endovascular technique | |||
| Single stent (n, %) | 28/33 (85%) | 56/71 (79%) | 0.67 |
| Multiple stents (n, %) | 5/33 (15%) | 15/71 (21%) | 0.31 |
| Exchange wire (n, %) | 2/33 (6%) | 2/71 (3%) | 0.49 |
| In-stent balloon (n, %) | 2/33 (6%) | 7/71 (10%) | 0.37 |
| Corticosteroid (n, %) | 4/33 (12%) | 12/71 (17%) | 0.37 |
SAH, subarachnoid hemorrhage.