The Effect of Parkinson’s Disease on Patients Undergoing Lumbar Spine Surgery

Table 6

Multivariate analysis assessing risk factors associated with lumbar revision surgery in patients with PD.

Risk factor	Odds ratio	Low 95% CI	High 95% CI	value
Osteoporosis	1.98	1.07	3.65	0.029
Black	0.26	0.03	2.52	<0.0001
Hispanic	0.94	0.33	2.67	<0.0001
Asian	<0.001	<0.001	<0.001	<0.0001
Native American	<0.001	<0.001	<0.001	<0.0001
Other	0.57	0.18	1.80	<0.0001
Female	1.07	0.72	1.58	0.750
Age	0.95	0.93	0.97	<0.0001
Small hospital	0.92	0.36	2.40	0.953
Medium hospital	0.81	0.49	1.33	0.591
Teaching hospital	1.40	0.92	2.14	0.118
Midwest	1.22	0.51	2.87	0.653
South	1.59	0.75	3.38	0.350
West	1.72	0.79	3.75	0.209
Urban hospital	1.02	0.43	2.42	0.964
Modified Elixhauser index	1.01	0.95	1.06	0.856
Medicare	1.37	0.80	2.35	<0.0001
Medicaid	0.92	0.38	2.23	<0.0001
Uninsured	9.84	1.31	73.87	<0.0001
Other	0.97	0.21	4.48	0.004
Missing	<0.001	<0.001	<0.001	<0.0001

Race reference: white; hospital reference: large hospital; region reference: northeast; insurance reference: private.