Table 3.

Multivariable regression analysis for predictors of 1-year mortality

Factors	Adjusted OR	95% CI	p value
Female sex	0.6	0.3–1.2	0.2
Pre-operative KPS < 70	9.8	4.6–20.7	<0.001
CCI > 10	0.5	0.2–0.9	0.03
Tumor entity
Lung	1.7	0.8–3.6	0.2
Breast	0.2	0.07–0.7	0.01
Synchronous diagnosis of SM	0.7	0.4–1.4	0.3

The values in bold are statistically significant

CCI Charlson Comorbidity Index, CI confidence interval, KPS Karnofsky Performance Scale, OR odds ratio, SM spinal metastasis