Table 2: Risk of Death and Unfavorable Outcome*.

DeathUnfavorable Outcome
OR95%-CIPOR95%-CIP

Age1.02(1.02–1.03)<0.0011.04(1.04-1.04)<0.001
Elective admission0.65(0.47–0.90)0.0100.82(0.75–0.90)<0.001
Women1.16(0.93–1.45)0.1911.11(1.03–1.20)0.005
Length of stay0.96(0.95–0.97)<0.0011.08(1.07–1.08)<0.001
Number of procedures1.13(1.07–1.19)<0.0011.06(1.03–1.08)<0.001
White race1.07(0.84–1.37)0.5850.99(0.90–1.07)0.738
ICrH, any type2.93(2.27–3.80)<0.0012.06(1.85–2.30)<0.001
Seizure1.33(1.05–1.68)0.0201.59(1.46–1.72)<0.001
Headache0.25(0.10–0.59)0.0020.70(0.60–0.81)<0.001
ICA aneurysm, unruptured1.91(1.08–3.40)0.0271.38(1.09–1.74)0.007
Acute cerebral ischemia0.98(0.65–1.49)0.9421.55(1.36–1.76)<0.001
Cerebral angiography0.27(0.20–0.37)<0.0010.62(0.56–0.69)<0.001
Embolization1.54(1.00–2.35)0.0490.90(0.77–1.04)0.163
Surgery1.04(0.74–1.46)0.8341.38(1.21–1.58)<0.001
Radiosurgery0.000.9940.50(0.31–0.81)0.005
Aneurysm clipping0.47(0.18–1.20)0.1150.44(0.31–0.62)<0.001
Ventilation20.26(15.01–27.34)<0.0012.77(2.37–3.25)<0.001
Hospital bed size1.13(1.00–1.29)0.0571.07(1.02–1.12)0.002
Hospital location/teaching0.94(0.81–1.09)0.3971.07(1.01–1.12)0.016

*Goodness of fit model summary: Death (Nagelkerke ), Unfavorable Outcome (Nagelkerke ).
Abbreviations: 95%-CI: 95% Confidence Interval, ICrH: intracranial hemorrhage, ICA: internal carotid artery.