Table 1.

Correlation of PDIA6 expression with clinicopathological features from 169 NSCLC patients.

Clinicopathological factor	Number of cases	PDIA6a		χ2	p
		High expression	Low expression
Age
<60	55	48	7	1.717	0.190
≥60	114	90	24
Gender
Male	121	103	18	3.419	0.064
Female	48	35	13
Tumor size
<4 cm	61	47	14	1.353	0.245
≥4 cm	108	91	17
Pathological grading
I	21	17	4	0.170	0.919
II	134	109	25
III	14	12	2
Histological type
LSCC	78	69	9	4.478	0.034b
LAD	91	69	22
Lymph node metastasis
Positive	92	81	11	5.499	0.019b
Negative	77	57	20
TNM stage
I	54	37	17	10.78	0.005b
II	69	58	11
III	46	43	3

^aData are shown as number of cases.

^bSignificant difference. The two tailed Pearson χ 2 test was employed to assess the correlation of PDIA6 expression with clinicalpathological factors. p value <0.05 was recognized as to be statistically significant.