Table 1.

Proliferating cell nuclear antigen and E-cadherin labeling indexes in normal gastric tissues and diseased tissues

Tissue type	Number of cases	PCNA labeling index	E-cadherin labeling index
Normal gastric tissue	40	1.37 ± 0.32	22.34 ± 6.23
Intestinal metaplasia	38	11.53 ± 3.38	13.92 ± 4.34
Dysplasia	42	14.34 ± 4.71	7.84 ± 2.08
Gastric cancer	66	44.50 ± 9.85	1.68 ± 0.47
F-value	-	4.170	5.181
P-value	-	0.018	0.002
Comparison of gastric cancer and dysplasia
Q-value		-18.519	23.204
P-value		0.000	0.000

PCNA: Proliferating cell nuclear antigen.