Table 1.

Correlations of WNT7A with clinical characteristics in PDAC patients.

Characteristics	WNT7A Expression
	Total	High	Low	P value
	(n = 100)	(n = 64)	(n = 36)	(χ2 test)
Age(years)				1.000
<60	47	30	17
≥60	53	34	19
Gender				0.426
Male	63	42	21
Female	37	22	15
Tumor location				1.000
Head	60	38	22
Body/tail	40	26	14
Size				0.541
≤3 cm	15	9	6
>3 cm	83	53	30
Tumor differentiation				1.000
Well	69	44	25
Moderate/poor	31	20	11
T classification				0.531
T1/2	78	50	28
T3/4	20	12	8
N classification				0.033
Absent	55	29	26
Present	39	30	9
M classification				0.535
Absent	98	62	36
Present	2	2	0
AJCC stage				0. 535
Stage I/II	98	62	36
Stage III/IV	2	2	0
Neural invasion				0.341
Absent	58	34	24
Present	40	29	11

AJCC staging is according to the 7^th edition of the American Joint Committee on Cancer (AJCC) staging system. The bold number represents the p-values with significant differences. P value was calculated by χ² test or Fisher’s exact test.