Table 1. Relationship between SAV1 expression level and clinicopathologic variables in 83 PDAC tissues.

Clinicopathologic parameters	Cases (n=83)	SAV1 immunostaining		P value
		Weak positive	Strong positive
Age(years)
<62	37	18	19	1.000
≥62	46	23	23
Gender
Male	53	30	23	0.129
Female	30	11	19
Tumour size(cm)
≤4	47	22	25	0.751
>4	36	19	17
Nervous invasion
Negative	49	27	22	0.306
Positive	34	14	20
Differentiation
Poor	24	17	7	0.025*
Well	59	24	35
Tumor location
Head, neck	49	23	26	0.753
Body, tail	34	18	16
T classification
T1+T2	70	36	34	0.548
T3+T4	13	5	8
N classification
No	53	20	33	0.009*
N1	30	21	9
M classification
M0	82	41	41	1.000
M1	1	0	1
TNM stage
I-II	82	41	41	1.000
III-IV	1	0	1