Table 1.

Correlation between PCAT6 expression and clinicopathological parameters of NSCLC.

clinicopathological parameters⁎	N of cases	Log2 relative PCAT6 expression
		Low	High	P-valuea⁎
Age(years)				0.861
<65	25	12	13
≥65	35	16	19
Gender				0.809
male	32	15	17
female	28	14	14
Differentiation				0.198
well, moderate	17	9	8
poor	43	15	28
Tumor size (maximum diameter cm)				0.036⁎
<4 cm	27	23	4
≥4 cm	33	20	13
Primary location				0.821
left lung	26	13	13
right lung	34	18	16
Histology type				0.593
adenocarcinoma	35	20	15
squamous carcinoma	25	16	9
Smoking history
smokers	23	14	9	0.051
never smokers	37	13	24
Lymph node metastasis				0.029⁎
positive	31	19	12
negative	29	25	4
TMN stage				0.038⁎
I	21	17	4
II/III	37	19	18

^aChi-square test.

^⁎P < .05.