Circular RNA circ-LDLRAD3 as a biomarker in diagnosis of pancreatic cancer

Table 2 Correlation between circ-LDLRAD3 expression and clinicopathological factors of pancreatic cancer patients (tissue samples)

Characteristic	Circ-LDLRAD3		P value
	Low or none, n	High, n
Age (yr)
≥ 60	9	10	0.279
< 60	3	8
Gender
Male	7	14	0.255
Female	5	4
Tumor diameter (cm)
≤ 4	9	10	0.279
> 4	3	8
CA19-9
Positive	5	6	0.643
Negative	7	12
CEA
Positive	5	8	0.88
Negative	7	10
Clinical stage
IA	2	1	0.256
IB	6	4
IIA	1	6
IIB	3	6
III	0	1
IV	0	0
T classification
T1	2	1	0.274
T2	8	8
T3	2	8
T4	0	1
N classification
N0	9	11	0.429
N1	3	7
N2	0	0
Metastasis
M0	12	18	None
M1	0	0
Venous invasion
No	12	12	0.025
Yes	0	6
Lymphatic invasion
No	12	11	0.014
Yes	0	7