Table I.

Results of univariate analysis of the associations between the CD155 expression levels and clinicopathological variables.

	CD155 expression
Variable	Low (n)	High (n)	P-value
Age (years)
<50	15	9
≥50	4	15	0.0125
Gender
Male	12	12
Female	7	12	0.538
Location
Extremities	15	17
Trunk	4	7	0.7279
Tumor size (cm)
<5	3	5
≥5	16	19	>0.9999
Depth
Superficial	2	4
Deep	17	20	0.8853
M factor
M0	16	21
M1	3	3	>0.9999

M0, non-metastatic patients; M1, patients with distastant metastases at presentation.