Table 3.

The assignment to surgical treatment was dependent on younger age, male gender, spinal cord injury, and earlier year of admission. Odds ratios are presented with 95% CI and p value.

	OR	95% CI		p
		2.5%	97.5%
Age	0.99	0.99	1.00	0.012
Male gender	1.42	1.26	1.59	<0.001
Spinal cord injury	2.94	2.08	4.16	<0.001
Charlson Comorbidity Index	0.96	0.92	1.00	0.072
Year of admission	0.96	0.94	0.97	<0.001