Table 2.

Associations between hsa_circ_0005571 expression and clinicopathological features of CRC patients.

Factor	Quantities	hsa_circ_0005571 expression		χ2	P value
		High	Low
Aggregate	42	25	17
Gender				0.038	0.845
Male		13	9
Female		11	8
Age				0.032	0.859
< 60		8	5
≥ 60		17	12
Tumor size				4.356	0.037*
< 5 cm		11	13
≥ 5 cm		14	4
Site of tumor				0.514	0.474
Colon		16	9
Rectum		9	8
Depth of infiltration				8.576	0.003**
T1-T2		5	11
T3-T4		20	6
Lymph node metastasis				4.748	0.029*
Yes		22	10
No		3	7
TNM stage				7.412	0.006**
Ⅰ–Ⅱ		10	14
Ⅲ–Ⅳ		15	3

Data were expressed as mean ± SD. *p < 0.05, **p < 0.01.