Table 1.

Correlation analysis for clinicopathologic parameters about circ1662 expression in colorectal cancer patients

Parameters	Number of cases	Circ1662 expression		P value
		Low	High
All cases	58	21	37
Age				0.786
> 65	26	10	20
≤ 65	28	11	17
Gender				0.272
Male	26	7	19
Female	32	14	18
Histological grade				0.301
I-II	48	19	29
III-IV	10	2	8
Vascular invasion				0.547
Yes	3	0	3
No	55	21	34
Tumor depth				0.007
T1-T2	7	6	1
T3-T4	51	15	36
Lymph node metastasis				0.779
Yes	22	7	15
No	36	14	22
Clinical stage				0.786
1-2	34	13	21
3-4	24	8	16