Table 3: Distribution over the various age groups.

Conventional OS Telangiectatic OSPaget disease-related OSIntraosteal low malignant OSParaosteal OSPeri-osteal OSHigh-grade surface OS

0–19 years
3482201740
 %42.0%48.9%.0%100.0%12.3%80.0%.0%
20–39 years
180 9002610
 %21.7%20.0%.0%.0%45.6%20.0%.0%
40–59 years
1377101501
 %16.5%15.6%9.1%.0%26.3%.0%100.0%
60–79 years
130570700
 %15.7%11.1%63.6%.0%12.3%.0%.0%
80–99 years
34230200
 %4.1%4.4%27.3%.0%3.5%.0%.0%

OS: osteosarcoma.