[Retracted] NR2F1-AS1 Acts as an Oncogene in Breast Cancer by Competitively Binding with miR-641

Table 1

Correlation between the expression level of NR2F1-AS1 and clinical characteristics of BC patients (n = 54).

Clinical characteristics	Number of cases (n = 54)	NR2F1-AS1 expression
		Low (n = 25)	High (n = 29)	value
Age (years)				0.510
≥50	32	16	16
<50	22	9	13
Tumor size				0.300
≥2 cm	24	13	11
<2 cm	30	12	18
Lymph node metastasis				0.003
Absent	36	22	14
Present	18	3	15
ER status				0.419
Negative	26	12	14
Positive	28	16	12
TNM stage				0.028
I-II	42	23	21
III	12	2	10

, the difference is significant; , the difference is highly significant.