Table 4. Associations with tumor-skin invasion in superficial soft tissue sarcomas.

		Skin invasion		P-value
		Positive	Negative
Size
	≥5 cm	12	38	<0.001
	<5 cm	0	32
Distant metastases upon initial diagnosis
	Positive	5	7	0.013
	Negative	7	63

P-value, P-value from Fisher’s exact probability test