Table 1. Ecto-5′-nucleotidase expression in between gastric cancer tissues and normal gastric mucosa tissues.

Group	n	Ecto-5′-nucleotidase expression		P
		High (%)	Low (%)
Normal	45	9(20.0)	36(80.0)	<0.001
Tumor	131	72(55.0)	59(45.0)