Table 1

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)51.450.50.98
 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/mm3283.000/mm30.98
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.