Heparanase expression, degradation of basement membrane and low degree of infiltration by immunocytes correlate with invasion and progression of human gastric cancer

Table 1 Densities of S100 positive TIDC and heparanase expression in early and late gastric cancer tissues (mean ± SD)

	Densities of S100 positive TIDC			Heparanase expression
	Early stage	Late stage	P-value	Early stage	Late stage	P-value
Cases (n)	18	15		18	15
Number density	0.25 ± 0.19	0.03 ± 0.02	< 0.01	0.09 ± 0.08	0.33 ± 0.25	< 0.01
Area density	1.47 ± 1.15	0.21 ± 0.18	< 0.01	0.76 ± 0.64	3.47 ± 3.17	< 0.01