Table 2.

Univariate Cox analysis of survival in gastrointestinal neuroendocrine carcinoma with bone metastasis.

Variable	OS		CSS
	HR (95% CI)	P	HR (95% CI)	P
Race
White	1		1
Black	1.139 (0.792–1.639)	0.482	1.102 (0.754–1.611)	0.615
Others	0.921 (0.575–1.475)	0.732	0.930 (0.580–1.490)	0.762
Gender
Female	1		1
Male	0.961 (0.745–1.239)	0.758	0.984 (0.758–1.277)	0.902
Age (years)
≤60	1		1
>60	1.355 (1.050–1.749)	0.2	1.317 (1.016–1.708)	0.037
Tumor location
Colon and rectum	1		1
Pancreas, liver, stomach	0.801 (0.596–1.076)	0.14	0.801 (0.594–1.080)	0.146
Others	0.830 (0.586–1.174)	0.292	0.817 (0.572–1.167)	0.265
Tumor size (cm)
<5	1		1
≥5	1.335 (0.969–1.840)	0.077	1.303 (0.936–1.814)	0.117
Surgery
Yes	1		1
No	1.811 (1.168–2.808)	0.008	1.781 (1.148–2.765)	0.01
Radiotherapy
Yes	1		1
No	1.000 (0.772–1.296)	0.998	0.992 (0.762–1.293)	0.955
Chemotherapy
Yes	1		1
No	0.982 (0.763–1.263)	0.887	0.942 (0.727–1.221)	0.651
Brain metastasis
No	1		1
Yes	1.412 (0.883–2.257)	0.15	1.585 (0.977–2.570)	0.062
Liver metastasis
No	1		1
Yes	1.136 (0.842–1.532)	0.406	1.145 (0.842–1.556)	0.389
Lung metastasis
No	1		1
Yes	1.519 (1.145–2.015)	0.004	1.560 (1.167–2.086)	0.003
Marital status
Married	1		1
Others	1.020 (0.792–1.314)	0.878	0.992 (0.766–1.286)	0.953