Table 1.

Copy number aberrations associated with DDLPS subtype

Copy number aberration	WDLPS n (%)	DDLPS n (%)	P value (2-tailed Fisher’s exact test)
Losses of chromosome 6	0	9 (39)	0.002
6p23p22.2 6q11.1q12 6q15q22.33	0 0 0	6 (26) 3 (13) 3 (13)	0.022 0.233 0.233
Losses of chromosome 11 a	0	6 (26)	0.022
11p15.5p13 11q23.2q24.2	0 0	3 (13) 4 (17)	0.233 0.109
Losses of chromosome 13q a	0	7 (30)	0.009
13q11q31.1	0	7 (30)	0.009
Gains of chromosome 14q	3 (13)	10 (43)	0.047 OR = 0.2 95% Cl [0.05–0.85]
14q21.2q21.3	2 (9)	9 (39)	0.035
			OR = 0.2 95% Cl [0.03–0.79]
14q32.2q32.31	2 (9)	2 (9)	1

^aCNAs associated with increased genomic complexity of DDLPS tumors