Table 4.

Univariate and multivariate cox analysis of OS in patients with bone metastases from gastric cancer.

	Univariate Analysis			Multivariate Analysis
	HR	95%CI	P-value	HR	95%CI	P-value
Age >60
No	ref	ref
Yes	1.114	0.980 -1.268	0.099
Sex
Male	ref	ref
Female	1.031	0.899-1.182	0.659
Marital_status
No	ref	ref
Yes	0.910	0.798-1.037	0.156
Site
Other	ref	ref		ref	ref
Cardia	0.845	0.739-0.966	0.014	0.914	0.797-1.050	0.203
Gastric antrum	1.083	0.859-1.364	0.501	1.155	0.915-1.4550	0.226
Grade
I	ref	ref
II	0.792	0.449-1.396	0.420
III	1.014	0.586-1.754	0.962
IV	1.021	0.500-2.083	0.955
AJCC_T
T1	ref	ref		ref	ref
T2	0.666	0.467-0.9487	0.024	0.633	0.443-0.903	0.012
T3	0.848	0.677-1.0613	0.150	1.008	0.820-1.267	0.947
T4	1.094	0.926-1.2917	0.293	1.081	0.915-1.278	0.359
AJCC_N
N1	ref	ref
N2	0.866	0.644-1.164	0.342
N3	1.165	0.995-1.364	0.058
Surgery
No	ref	ref		ref	ref
Yes	0.658	0.477-0.9073	0.011	0.512	0.369-0.711	<0.001
Radiation
No	ref	ref		ref	ref
Yes	0.870	0.758-0.9976	0.046	0.967	0.840-1.114	0.644
Chemotherapy
No	ref	ref		ref	ref
Yes	0.280	0.244-0.322	<0.001	0.268	0.233-0.309	<0.001
Mets_brain
No	ref	ref
Yes	1.016	0.728-1.42	0.927
Mets_liver
No	ref	ref
Yes	0.9989	0.875-1.141	0.986
Mets_lung
No	ref	ref
Yes	1.093	0.942-1.268	0.242