TABLE 1.

Clinicopathological characteristics of OS patients from TARGET database.

Characteristics		Patients(N = 84)
		NO.	%
Sex	Female	37	44.05
	Male	47	55.95
Age	≤14 (Median)	44	52.38
	>14 (Median)	40	47.62
Race	White	51	60.71
	Asian	6	7.14
	Black or African American	7	8.33
	Unknown	20	23.81
Disease at diagnosis	Metastatic	21	25.00
	Non-metastatic	63	75.00
Primary tumor site	Arm/hand	6	7.14
	Leg/foot	76	90.48
	Pelvis	2	2.38
Vital status	Dead	27	32.14
	Alive	57	67.86