Table 3.

Relationship between POLE2 expression and tumor characteristics in patients with esophagus cancer

POLE2		P value
AJCC stage	Pearson correlation	0.319
	Significance (double tailed)	0.002**
	N	96
Lymphatic metastasis (N)	Pearson correlation	0.277
	Significance (double tailed)	0.006**
	N	98
Gender	Pearson correlation	− 0.205
	Significance (double tailed)	0.040*
	N	101