DKK2 Impairs Tumor Immunity Infiltration and Correlates with Poor Prognosis in Pancreatic Ductal Adenocarcinoma

Table 1

Correlations of DKK2 with clinical characteristics in PDAC patients.

Characteristics	Total	DKK2 expression		value ( test)
		High ()	Low ()
Age (years)				0.55
<60	67	42	25
≥60	141	93	48
Gender				0.579
Male	120	76	44
Female	88	59	29
Tumor location				0.582
Head	139	92	47
Body/tail	69	43	26
Size				0.92
≤2 cm	25	16	9
>2 cm	183	119	64
Tumor differentiation				0.012
Well	11	11	0
Moderate/poor	197	124	73
T classification				0.876
T1	3	2	1
T2	24	16	8
T3	141	89	52
T4	40	28	12
N classification				0.779
Absent	145	95	50
Present	63	40	23
AJCC stage				0.88
Stage I	22	14	8
Stage II	141	90	51
Stage III	33	22	11
Stage IV	12	9	3
Liver metastasis				0.348
Absent	195	125	70
Present	13	10	3
Vascular invasion				0.177
Absent	180	120	60
Present	28	15	13
Vital status				0.229
Dead	180	114	66
Alive	28	21	7