Table 2.

Relationship between NKD1expression and the clinicopathological factors in patients with NSCLC

Clinicopathological factors	n	Normal expression	Reduced expression	X2	P-value
Age(yr)
<58	55	13	42	0.191	0.662
≥58	45	9	36
Gender
Male	63	15	48	0.325	0.569
Female	37	7	30
Histology
SCC	33	13	20	8.684	0.003
AC	67	9	58
Differentiation
Well to moderate	50	17	33	8.392	0.004
Poor	50	5	45
pTNM staging
I-II	44	16	28	9.447	0.002
III-IV	56	6	50
Lymph node metastasis
No	45	15	30	6.124	0.013
Yes	55	7	48

SCC, squamous cell carcinoma; AC, Adenocarcinoma; pTNM staging, pathological TNM staging.