Table 2.

Independent factors associated with the utilization of computer navigation during total hip arthroplasty (THA) in 2018 on multivariate analysis.

Variable	Relative risk	Confidence interval	P value
Age	1.00	1.00-1.01	.20
Female gender (reference: male)	1.08	0.98-1.19	.10
Risk mortality (reference: minor likelihood of dying)
Moderate likelihood of dying	0.78	0.68-0.90	<.01
Major likelihood of dying	0.43	0.30-0.61	<.01
Extreme likelihood of dying	0.24	0.09-0.64	<.01
Race (reference: White)
Black	0.97	0.80-1.19	.78
Hispanic	0.98	0.78-1.23	.85
Asian or Pacific Islander	1.01	0.68-1.52	.94
Native American	1.77	0.90-3.46	.10
Other	0.96	0.68-1.36	.83
Primary payment (reference: Medicare)
Medicaid	1.05	0.82-1.35	.68
Private	1.10	0.97-1.25	.13
Self-pay	0.69	0.34-1.39	.30
Median household income (reference: 1st quartile)
25-50th Percentile	1.14	0.97-1.34	.10
50-75th Percentile	0.96	0.81-1.13	.62
75-100th Percentile	1.51	1.29-1.76	<.01
Hospital location/teaching status (reference: rural)
Urban, nonteaching	1.36	1.04-1.77	.03
Urban, teaching	1.54	1.20-1.99	<.01
Hospital bed size (reference: small)
Medium	0.58	0.52-0.65	<.01
Large	0.53	0.48-0.59	<.01
Hospital region (reference: Northeast)
Midwest	0.27	0.23-0.33	<.01
South	0.58	0.51-0.66	<.01
West	1.02	0.90-1.15	.74

Statistically significant (P < .05) values are depicted in bold.