Table I.

Association between circ-FOXO3 expression and clinicopathological parameters of patients with CRC.

Clinicopathological characteristics	Total	High expression	Low expression	χ2	P-value
Sex
Male	24	11	13	0.06341	0.8012
Female	46	24	22
Age, years
≤60	37	20	17	0.2293	0.632
>60	33	15	18
Tumor size
T1	17	14	3	16.33	0.001
T2	15	10	5
T3	16	6	10
T4	22	5	17
Distant metastasis
Positive	33	13	20	12.87	0.0003
Negative	37	22	15
Differentiation
High	26	6	20	17.37	0.0002
Moderate	21	10	11
Poor	23	19	4
Lymph node metastasis
Positive	38	6	26	20.78	<0.0001
Negative	32	29	9
TNM stages
I	19	15	4	11.8	0.0081
II	14	8	6
III	15	6	9
IV	22	6	16

Data were analyzed using a χ² test.