Table 1.

The relationship between ALDH1A3 expression and clinicopathological features of PDAC patients.

Clinicopathological features	Numbers	ALDH1A3		χ2	P-value
		Negative	Positive
Sex
Male	51	21	30	2.086	0.149
Female	37	21	16
Age
<60	57	27	30	0.008	0.927
≥60	31	15	16
TNM stage
I/II	79	39	40	0.833	0.362
III/IV	9	3	6
T-classification
T1+T2	37	20	17	1.024	0.311
T3+T4	51	22	29
Tumor size (cm)
<4	60	33	27	3.998	0.046
≥4	28	9	19
Differentiation degree
Low	32	15	17	0.015	0.904
Moderate/High	56	27	29
Lymph-node metastasis
Absent	51	24	27	0.022	0.883
Present	37	18	19
Vascular invasion
Absent	64	30	34	0.068	0.794
Present	24	12	12
Diabetes
Absent	61	26	35	2.076	0.150
Present	27	16	11
Distant metastasis
Absent	83	42	41	4.840	0.028
Present	5	0	5