Table II.

Incidence of osteosarcoma in patients <25 years of age between 1973 and 2012, according to age group and sex.

	1973–1982		1983–1992		1993–2002		2003–2012		All
Age at diagnosis (years)	Male	Female	Male	Female	Male	Female	Male	Female	Male	Female
0–4	0.6	0.3	0.3	0.6	0.1	0.4	0.5	0.3	0.4	0.4
5–9	1.6	1.4	2.9	2.8	2.6	2.8	2.4	3.0	2.4	2.6
10–14	6.6	8.0	7.3	7.4	8.5	7.2	8.2	7.1	7.7	7.4
15–19	8.6	6.2	10.9	6.2	12.5	4.8	10.1	5.7	10.5	5.7
20–24	3.2	2.8	4.4	2.7	3.9	4.1	4.7	3.5	4.1	3.2