Long noncoding RNA ZNFX1-AS1 promotes the invasion and proliferation of gastric cancer cells by regulating LIN28 and CAPR1N1

Table 6 Correlation between the relative expression of long noncoding RNA HULC or ZNFX1-AS1 and clinicopathologic factors

Variables	Number of cases	P value
Gender
Male	46	0.99
Female	14
Age (yr)
≤ 61	28	0.26
> 61	32
Tumor site1
Upper third	13	0.12
Middle third	14
Lower third	33
Tumor size
≥ 5 cm	29	0.01
< 5 cm	31
Pathological differentiation2
Undifferentiated or poorly differentiated	45	0.55
Others	15
TNM classification3
I + II	20	0.02
III + IV	40
Distant metastasis3
Positive	5	0.97
Negative	55
Lymphatic invasion3
Positive	43	0.03
Negative	17

¹According to National Comprehensive Cancer Network Clinical Practice Guidelines in Oncology: Version I, 2016.

²According to World Health Organization Classification of Tumors of the Digestive System: 4^th edition.

³According to the American Joint Committee on Cancer Staging Manual: 7^th edition.