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Table 2 Natural history of bone metastases from soft tissue sarcoma

From: Bone metastases in soft tissue sarcoma: a survey of natural history, prognostic value and treatment options

  N patients (%)
Bone metastases onset  
• Time of diagosis 36 (27)
• After diagnosis 99 (73)
Number of bone metastases  
• ≤ 5 81 (60)
• > 5 54 (40)
Bone metastases site  
• Spine 69 (51)
• Hip/pelvis 27 (20)
• Long bones 20 (15)
• Others 19 (14)
SRE development  
• Yes 54 (40)
• No 81 (60)
• Median time to first SRE (months) 4 (range: 1–9)
SRE type  
• Palliative radiotherapy 28 (38)
• Pathological fracture 30 (22)
• Cord compression 18 (13)
• Hypercalcaemia 4 (3)
• Palliative surgery 29 (21)