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Table 1: Baseline characteristics
Variables Coiling (n = 133) Clipping (n = 129) P Value
Age (yr) 54.5 (11.8) 54.4 (10.9) .960
Women 62 (46.6%) 69 (53.5%) .266
Hypertension 50 (37.6%) 63 (48.8%) .066
Current smoking 49 (36.8%) 32 (24.8%) .035
Diabetes mellitus 10 (7.5%) 4 (3.1%) .168
Previous ischemic stroke 3 (2.3%) 4 (3.1%) .719
Previous SAH 4 (3.0%) 9 (7.0%) .163
GCS score 7.5 (2.6) 6.4 (2.4) <.001
WFNS grade .002
    Grade IV 82 (61.7%) 55 (42.6%) 
    Grade V 51 (38.3%) 74 (57.4%) 
Fisher grade 3.1 (0.9) 3.6 (0.7) <.001
Modified Fisher grade 2.5 (1.1) 2.9 (0.9) .001
Intraventricular hemorrhage 52 (39.1%) 51 (38.8%) .955
Brain herniation 17 (12.8%) 51 (39.5%) <.001
Multiple aneurysms 22 (16.5%) 24 (18.6%) .661
Aneurysm size (mm) 5.7 (2.9) 6.0 (3.9) .536
Ruptured aneurysm location <.001
    Anterior circulation 107 (80.5%) 128 (99.2%) 
    Posterior circulation 26 (19.5%) 1 (0.8%) 
Preoperative EVD 10 (7.5%) 11 (8.5%) .778
Postoperative EVD 37 (27.8%) 8 (6.2%) <.001
Time to treatment .544
    0–72 hr 101 (75.9%) 102 (79.1%) 
    73 hr to 21 days 32 (24.1%) 27 (21.1%) 
Hospital stay (days) 24.3 (20.7) 23.3 (21.4) .721
a Data are mean (SD) or n/N (%).