Table 1. HERG1 protein expression and clinic- pathological features of pancreatic tumors.

clinico-pathological features		HERG1 expression (positive/total number of analyzed samples)	P
Sex	male	44/49	0.621
	female	27/29
Age (y)	≥65	36/41	0.295
	<65	35/37
Lymph node metastasis	+	59/62	0.012
	−	12/16
TNM stage	I	3/6	0.008
	II	68/72
Differentiation	1. poor	41/41	1 vs. 3 0.000
	2. moderate	27/30	2 vs. 3 0.004
	3. well	3/7	1+2 vs. 3 0.001

P< 0.05 was considered as statistically significant.