Incidence and Survival of Pediatric Soft Tissue Sarcomas in Moscow Region, Russian Federation, 2000–2009

Table 3

Frequency and percentage of STS by site and histology.

Site of tumor	All STS		RMS		NRSTS		RMS versus NRSTS
	𝑁	%	𝑁	%	𝑁	%	(Fisher’s exact test)
Head and neck	17	25,0	11	29,8	6	19,3	n.s.^2
Orbit	5	7,3	5	13,5	0	0	n.s.
Pelvis	8	11,8	6	16,2	2	6,5	n.s.
Genitourinary system	6	8,8	6	16,2	0	0	P = 0,0279
Limbs	17	25,0	3	8,1	14	45,2	P = 0,0005
Thorax	4	5,9	1	2,7	3	9,7	n.s.
Others	10	14,7	4	10,8	6	19,3	n.s.
NOS^1	1	1,5	1	2,7	0	0	n.s.
Total	68	100,0	37	100,0	31	100,0

¹NOS: non otherwise specified; ²n.s.: not significant.