Table 4.

Multivariate analysis of mortality following acoustic neuroma excision in adult patients from 1994 through 2003

Characteristic	OR (95% CI)	P-value
Patient
Age (for 1 year increase)	1.07 (1.01–1.14)	.031
Female sex	0.32 (0.07–1.44)	.13
Race (White is reference group)
African American	8.82 (1.85–41.9)	.006
Hispanic	–
Asian/Pac Isl	–
Others	–
Admission type (routine vs birth and others)	0.19 (0.036–1.06)	.057
Primary payer (Medicare is reference group)
Medicaid	–
Private insurance/HMO	1.13 (0.20–6.10)	.89
Self-pay	–
No charge/other	–
Hospital bedsize (large vs small or medium)	0.35 (0.065–1.88)	.22
High surgeon volume (≥3 surgeries per year)	0.22 (0.058–0.85)	.027