Table 3.

The Association Between Plasma Circ_0004771 Expression and the Clinicopathological Parameters in GC Patients

Parameter	No. of Patients	Circ_0004771 (High)	Circ_0004771 (Low)	P-value
Age
<60	43	24	19	0.341
≥60	77	36	41
Sex
Male	83	46	37	0.075
Female	37	14	23
Tumor size
<5	106	51	55	0.255
≥5	14	9	5
Differentiation grade
Well	24	4	20	<0.0001****
Poor-moderate	96	56	40
T stage
T1–T2	77	28	49	<0.0001****
T3–T4	43	32	11
Lymph node metastasis
Positive	48	31	17	0.009**
Negative	72	29	43
TNM stage
I–II	93	41	52	0.016*
III–IV	27	19	8
Nerve/vascular invasion
Positive	40	21	19	0.699
Negative	80	39	41
CEA
Positive	60	35	25	0.068
Negative	60	25	35
CA199
Positive	36	19	17	0.69
Negative	84	41	43
PGI
Positive	40	21	19	0.699
Negative	80	39	41
PGII
Positive	52	27	25	0.713
Negative	68	33	35

Notes: Asterisks (*) indicate statistical significance (*P<0.05, **P<0.01, ****P<0.0001).

Abbreviations: PG, pepsinogen; GC, gastric cancer.