Osteosarcoma: A Comparison of Jaw versus Nonjaw Localizations and Review of the Literature

Table 3

Distribution over the various age groups.

	Conventional OS	Telangiectatic OS	Paget disease-related OS	Intraosteal low malignant OS	Paraosteal OS	Peri-osteal OS	High-grade surface OS
0–19 years
𝑁=	348	22	0	1	7	4	0
%	42.0%	48.9%	.0%	100.0%	12.3%	80.0%	.0%
20–39 years
𝑁=	180	9	0	0	26	1	0
%	21.7%	20.0%	.0%	.0%	45.6%	20.0%	.0%
40–59 years
𝑁=	137	7	1	0	15	0	1
%	16.5%	15.6%	9.1%	.0%	26.3%	.0%	100.0%
60–79 years
𝑁=	130	5	7	0	7	0	0
%	15.7%	11.1%	63.6%	.0%	12.3%	.0%	.0%
80–99 years
𝑁=	34	2	3	0	2	0	0
%	4.1%	4.4%	27.3%	.0%	3.5%	.0%	.0%

OS: osteosarcoma.