Table 1:

Clinical and demographic characteristics of the study population

All (n = 96)DCI (n = 48)No DCI (n = 48)
Age (yr) (mean)50.552.548.5
    Range28–8029–8028–78
Female74% (71/96)77% (37/48)71% (34/48)
Male26% (25/96)23% (11/48)29% (14/48)
Aneurysm location
    Anterior92% (88/96)94% (45/48)90% (43/48)
    Posterior8% (8/96)6% (3/48)10% (5/48)
Aneurysm treatment
    Surgical clipping55% (53/96)58% (28/48)52% (25/48)
    Endovascular coiling45% (43/96)42% (20/48)48% (23/48)
Hunt and Hess
    Low, grades 1 and 250% (48/96)37% (18/48)63% (30/48)
    High, grades 3, 4, and 550% (48/96)63% (30/48)37% (18/48)