Bone metastases from renal cell carcinoma: patient survival after surgical treatment

Table 4 Analysis of overall survival

Variable/Subgroup	Number of patients	Overall survival at 1 year	Overall survival at 5 years	p-Value
Metastatic pattern				< 0.001
Solitary bone	27	0.78	0.44
Multiple bone	20	0.69	0.10
Bone and visceral	54	0.43	0.06
Local recurrence				0.060
yes	17	0.82	0.14
no	84	0.52	0.12
Gender				0.765
Female	30	0.52	0.19
Male	71	0.59	0.16
Age				0.036
< 65 years	53	0.62	0.24
> 65 years	48	0.52	0.07
Time of operation				0.670
After 1997	49	0.58	0.18
Before 1997	52	0.56	0.15
Time after diagnosis of RCC				0.081
< 2 years	64	0.48	0.14
> 2 years	37	0.72	0.19
Localisation				0.817
Appendicular	58	0.56	0.15
Axis	43	0.58	0.15
Adjuvant chemotherapy				0.370
None	65	0.55	0.13
Pre-operative	19	0.56	0.14
Post-operative	17	0.65	0.30
Radiation				0.861
None	23	0.61	0.16
Pre-operative	19	0.62	0.17
Post-operative	59	0.54	0.16

ISSN: 1471-2474