Table 3.

Survival data

Osteosarcoma (n=648)
Median survival (years)	Overall survival	Disease-specific survival
Overall	1.3	1.7
Age at diagnosis
≤30 years	2.5	2.5
≥60 years	0.7	0.8
Subtype (minimum 10 cases)
Osteosarcoma, not otherwise specified	1.1	1.6
Chondroblastic osteosarcoma	1.7	1.9
Fibroblastic osteosarcoma	2.7	6.1
Telangiectatic osteosarcoma	2.8	2.8
Osteosarcoma in Paget’s disease	0.7	1.2
Decade of diagnosis
1970s	0.9	1.0
1980s	0.9	1.2
1990s	1.3	1.6
2000s	1.5	2.0
Extent of disease
Confined	4.3	N/A
Locally invasive	1.9	2.5
Metastatic	0.7	0.8
Treatment modality
Surgery+Radiation therapy	1.7	2.2
Surgery only	3.6	3.4
Radiation only	0.7	0.8
No therapy	0.8	1.0
Percent survival
At 2 years	27	36
At 5 years	18	27
At 10 years	14	22
Ewing sarcoma (n=736)
Median survival (years)	Overall survival	Disease-specific survival
Overall	3.9	4.3
Decade of diagnosis
1970s	1.7	1.7
1980s	2.5	2.7
1990s	3.6	4.0
2000s	5.9	6.3
Extent of disease
Confined	N/A	N/A
Locally invasive	8.9	N/A
Metastatic	1.9	2.0
Treatment modality
Surgery+Radiation therapy	11.6	16.1
Surgery only	6.7	N/A
Radiation only	2.8	3.0
No therapy	2.0	2.2
Percent survival
At 2 years	55	57
At 5 years	44	45
At 10 years	37	40