Table 2.

Muscle marker expression by differentiation status.

	Total (n=384)	Well differentiated (n=131)	Moderately differentiated (n=170)	Moderately vs. well- differentiated (p value)	Poorly differentiated (n=82)	Poorly vs. well- differentiated (p value)	Poorly vs. moderately differentiated (p value)
SMA	91%	99%	93%	0.0082	73%	<0.0001	<0.0001
Desmin	74%	89%	75%	0.0045	50%	<0.0001	<0.0001
SMMS	76%	91%	79%	0.0065	47%	<0.0001	<0.0001
Caldesmon	78%	94%	78%	0.00013	51%	<0.0001	<0.0001
SLMAP	83%	93%	84%	0.028	63%	<0.0001	0.003
CASQ2	18%	23%	17%	0.24	12%	0.044	0.34
ACTG2	90%	99%	94%	0.047	66%	<0.0001	<0.0001
CFL2	69%	77%	64%	0.0196	64%	0.0537	1
MYLK	82%	95%	77%	<0.0001	71%	<0.0001	0.42