Table 1.

Comparison of CircCHST15 expression level in peripheral blood of patients with different clinical pathology characteristics.

Group	n	Low (n = 45)	High (n = 45)	P value
Age (years)
≤60	35	19	16	0.517
>60	55	26	29
Grade
T1	38	17	21	0.169
T2	35	16	19
T3	17	12	5
Tumor size
<5 cm	48	27	21	0.205
>=5 cm	42	18	24
Clinical stages
I+II	56	36	20	0.001
III+IV	34	9	25
Differentiation
Well	31	19	12	0.299
Moderately	32	14	18
Poorly	27	12	15
Lymph node metastasis
Yes	23	7	16	0.030
No	67	38	29