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Table 4 Analysis of overall survival

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

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