Table 1.

Correlation of the expression of circ-001971 with clinicopathologic features

Clinic-pathological parameters	circ-001971 expression		p
	High	Low
Gender
female	20	21	0.808
male	15	14
Age
< 50	21	15	0.151
≥ 50	14	20
Tumorlocation
Left	10	14	0.435
Rectum	15	15
Right	10	6
TNM
I	2	11	< 0.001
II	5	17
III	23	5
IV	5	2
Differentiation
Low	21	15	0.151
Moderat and High	14	20
Tumor size
< 5	17	22	0.229
≥ 5	18	13
Lymph node metastasis
N0	6	30	< 0.001
N1	18	2
N2	11	3