Table 3.

Multivariate Cox analysis of variables in male breast cancer with bone metastasis.

Variable	OS		CSS
	HR (95% CI)	p	HR (95% CI)	p
Age (years)
≤60	1		1
>60	1.671 (1.110–2.515)	0.014	1.806 (1.159–2.815)	0.009
Histologic subtype
Ductal and lobular neoplasms	1		1
Others	1.205 (0.674–2.155)	0.53	1.236 (0.678–2.255)	0.489
Tumor subtype
Luminal A	1		1
Luminal B	0.881 (0.507–1.530)	0.652	0.955 (0.526–1.734)	0.881
Triple negative	3.029 (1.455–6.303)	0.003	3.025 (1.427–6.412)	0.004
Surgery
Yes	1		1
No	1.764 (1.132–2.749)	0.012	1.734 (1.080–2.784)	0.023
Brain metastasis
No	1		1
Yes	2.045 (1.082–3.865)	0.028	1.950 (0.982–3.872)	0.056
Liver metastasis
No	1		1
Yes	1.293 (0.744–2.248)	0.362	1.330 (0.755–2.341)	0.324

Variables with bold values were statistically significant.