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Table 1: 
Demographic and baseline clinical characteristics of the study population
Ruptured (n = 33)Unruptured (n = 29)
Age (mean) (range) (yr)52.6 (31–79)54.5 (37–77)
Female1616
BMI (mean)27.427.5
Arterial hypertension17 (51.5%)18 (62%)
Current smoking22 (66.6%)17 (58.6%)
Diabetes mellitus2 (6%)3 (10.3%)
Alcohol abuse6 (18.1%)2 (6.8%)
Dyslipidemia5 (15.5%)9 (31%)
Family history of aneurysm2 (6%)2 (6.8%)
Antithrombotic medications2 (6%)12 (41.3%)
WFNS score
    I13 (39.3%)
    II10 (30.3%)
    III1 (3%)
    IV3 (9%)
    V6 (18.1%)
Fisher scale
    11 (3%)
    22 (6%)
    313 (39.3%)
    416 (48.4%)
Hydrocephalus10 (30.3%)
Aneurysm site
    AcomA17 (51.5%)13 (44.8%)
    PcomA2 (6%)4 (13.7%)
    Paraclinoid2 (6%)3 (10.3%)
    PICA1 (3%)1 (3.4%)
    Tip of the basilar artery1 (3%)5 (17.2%)
    Terminus of the carotid artery0 (0%)1 (3.4%)
    Pericallosal artery2 (6%)0 (0%)
    Middle cerebral artery bifurcation8 (24.2%)2 (6.8%)
Aneurysm length (mean) (range) (mm)7 (2.5–12)7.4 (4–28)
  • Note:—BMI indicates body mass index; WFNS, World Federation of Neurologic Societies; AcomA, anterior communicating artery; PcomA, posterior communicating artery.