Table 1. Correlations between NR2F1-AS1 and clinical characteristics of 73 NSCLC patients.

Characteristics	NR2F1-AS1 Level		P
	High (n = 37)	Low (n = 36)
Gender			0.334
Male	26	21
Female	11	15
Age (years)			0.346
< 60	13	17
≥ 60	24	19
Smoking history			0.634
Yes	16	13
No	21	23
Tumor size (cm)			0.005
< 3	20	31
≥ 3	17	5
Differentiation			0.778
High and Moderate	7	8
Poor	30	28
TNM stage			0.038
I+II	22	30
III+IV	15	6
Lymph node metastasis			0.025
Negative	24	32
Positive	13	4

Abbreviations: TNM, tumor–node–metastasis;