circPTN Promotes the Progression of Non-Small Cell Lung Cancer through Upregulation of E2F2 by Sponging miR-432-5p

Table 1

Correlations of circPTN expression level with clinicopathologic features of NSCLC patients.

Factor		circPTN expression		P-value
		Low ()	High ()
Gender				0.5204
	Male	28	25
	Female	17	20
Age				0.1365
	>55	23	16
	≤55	22	29
Tumor size				0.3522
	>4 cm	11	15
	≤4 cm	34	30
TNM				0.0203
	I/II	29	18
	III/IV	16	27
Lymph node metastasis				0.0328
	Absence	24	14
	Presence	21	31