Table I.

Association between clinicopathological characteristics and TPTEP1 expression in patients with NSCLC.

		TPTEP1 expression
Characteristics	Total cases	High expression	Low expression	P-value
Sex				0.227
Male	41	23	18
Female	15	5	10
Age				0.391
<60	18	7	11
≥60	38	21	17
Smoking history				0.503
No	11	7	4
Yes	45	21	24
TNM stage				0.006
I–II	23	17	6
III–IV	33	11	22

TPTEP1, TPTE pseudogene 1; NSCLC, non-small cell lung cancer.