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

Table 5 Correlation between circ-LDLRAD3 expression and clinicopathological factors of pancreatic cancer patients (plasma samples)

Characteristic	Circ-LDLRAD3		P value
	Low or one, n	High, n
Age (yr)
≥ 60	5	10	0.609
< 60	4	12
Gender
Male	5	14	0.675
Female	4	8
Tumor diameter (cm)
≤ 4	6	15	0.935
> 4	3	7
CA19-9
Positive	6	21	0.030
Negative	3	1
CEA
Positive	5	5	0.076
Negative	4	17
Clinical stage
IA	3	2	0.060
IB	3	3
IIA	3	3
IIB	0	5
III	0	6
IV	0	3
T classification
T1	3	2	0.282
T2	3	12
T3	3	6
T4	0	2
N classification
N0	9	12	0.049
N1	0	6
N2	0	4
Metastasis
M0	9	19	0.244
M1	0	3
Venous invasion
No	9	10	0.005
Yes	0	12
Lymphatic invasion
No	9	12	0.014
Yes	0	10