Skip to main content
. Author manuscript; available in PMC: 2014 Sep 1.
Published in final edited form as: Acta Neurochir (Wien). 2013 May 23;155(9):1773–1779. doi: 10.1007/s00701-013-1769-y

Table 5.

Cross-validated model using catheter placement as an outcome.

Variable P-value Odds Ratio
Age 0.39 1.0 ± 0.007
Male Sex 0.077 0.32 ± 0.087
Trauma 0.007 14 ± 4.8 (95% CI 10–17)
>1 pass 0.12 7.0 ± 3.3