Table 1.

Clinicopathological characteristics and expression of circ_0066444

Variables	Cases	Normal expression	Overexpression	χ2	P-value
Age (year)	106			2.964	0.087
≥60	86	12	74
<60	20	6	14
Gender	106			2.681	0.083
Female	48	5	43
Male	58	13	45
Diameter	106			0.159	0.454
≥3 (cm)	86	14	72
<3 (cm)	20	4	16
Differentiation				0.382	0.465
Low/middle	93	17	79
Well	10	1	9
Lymphatic metastasis	106			4.979	0.023*
Yes	71	8	63
No	35	10	25
TNM stage	106			4.508	0.262
I+IIA	36	10	26
IIB–IV	70	8	62
CEA	106			1.247	0.207
High	29	3	26
Normal	77	15	62
CA199	106			0.442	0.375
High	24	3	21
Normal	82	15	67
CA50	106			1.107	0.265
High	14	1	13
Normal	92	17	75
CA242	106			0.135	0.501
High	21	3	18
Normal	85	15	70

Note:

^*Mean P<0.05.

Abbreviation: TNM, tumor–node–metastasis.