The circRNA circSEPT9 mediated by E2F1 and EIF4A3 facilitates the carcinogenesis and development of triple-negative breast cancer

Table 1 Correlation between circSEPT9 expression and clinicopathological features in 60 TNBC patients (cohort 1)

Characteristic		All cases	circSEPT9		Chi-square	P value
Characteristic		All cases	low	high	Chi-square	P value
All cases		60	30	30
Age	< 53	28	16	12	1.071	0.301
Age	≥53	32	14	18	1.071	0.301
Menopausal	Premenopausal	20	11	9	0.454	0.500
Menopausal	Postmenopausal	33	15	18	0.454	0.500
Grade	II	29	17	12	1.307	0.253
Grade	III	17	7	10	1.307	0.253
T stage	T1	24	18	6	10	0.002**
T stage	T2–3	36	12	24	10	0.002**
N stage	N0	40	24	16	4.8	0.028*
N stage	N1–3	20	6	14	4.8	0.028*
TNM stage	I	20	16	4	10.8	0.001**
TNM stage	II/III	40	14	26	10.8	0.001**

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