Research Article
Trends in the Management of Intracranial Vascular Malformations in the USA from 2000 to 2007
Table 2
Risk of Death and Unfavorable Outcome*.
| | Death | Unfavorable Outcome | | OR | 95%-CI | P | OR | 95%-CI | P |
| Age | 1.02 | (1.02–1.03) | <0.001 | 1.04 | (1.04-1.04) | <0.001 | Elective admission | 0.65 | (0.47–0.90) | 0.010 | 0.82 | (0.75–0.90) | <0.001 | Women | 1.16 | (0.93–1.45) | 0.191 | 1.11 | (1.03–1.20) | 0.005 | Length of stay | 0.96 | (0.95–0.97) | <0.001 | 1.08 | (1.07–1.08) | <0.001 | Number of procedures | 1.13 | (1.07–1.19) | <0.001 | 1.06 | (1.03–1.08) | <0.001 | White race | 1.07 | (0.84–1.37) | 0.585 | 0.99 | (0.90–1.07) | 0.738 | ICrH, any type | 2.93 | (2.27–3.80) | <0.001 | 2.06 | (1.85–2.30) | <0.001 | Seizure | 1.33 | (1.05–1.68) | 0.020 | 1.59 | (1.46–1.72) | <0.001 | Headache | 0.25 | (0.10–0.59) | 0.002 | 0.70 | (0.60–0.81) | <0.001 | ICA aneurysm, unruptured | 1.91 | (1.08–3.40) | 0.027 | 1.38 | (1.09–1.74) | 0.007 | Acute cerebral ischemia | 0.98 | (0.65–1.49) | 0.942 | 1.55 | (1.36–1.76) | <0.001 | Cerebral angiography | 0.27 | (0.20–0.37) | <0.001 | 0.62 | (0.56–0.69) | <0.001 | Embolization | 1.54 | (1.00–2.35) | 0.049 | 0.90 | (0.77–1.04) | 0.163 | Surgery | 1.04 | (0.74–1.46) | 0.834 | 1.38 | (1.21–1.58) | <0.001 | Radiosurgery | 0.00 | — | 0.994 | 0.50 | (0.31–0.81) | 0.005 | Aneurysm clipping | 0.47 | (0.18–1.20) | 0.115 | 0.44 | (0.31–0.62) | <0.001 | Ventilation | 20.26 | (15.01–27.34) | <0.001 | 2.77 | (2.37–3.25) | <0.001 | Hospital bed size | 1.13 | (1.00–1.29) | 0.057 | 1.07 | (1.02–1.12) | 0.002 | Hospital location/teaching | 0.94 | (0.81–1.09) | 0.397 | 1.07 | (1.01–1.12) | 0.016 |
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*Goodness of fit model summary: Death (Nagelkerke ), Unfavorable Outcome (Nagelkerke ). Abbreviations: 95%-CI: 95% Confidence Interval, ICrH: intracranial hemorrhage, ICA: internal carotid artery.
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