Table 1.

Correlation of KLF4 expression with clinicopathological characteristics of patients with lung adenocarcinoma

Variables	KLF4 expression		Chi square test p value
	High	Low
Age(y)			0.570
≥ 60	14	11
< 60	17	18
Sex			0.833
Male	19	17
Female	12	12
Clinical stage			0.016
I	19	11
II	4	2
III	6	8
IV	2	8
T classification			0.021
T1	11	4
T2	14	13
T3	3	4
T4	3	8
N classification			0.044
N0	21	13
N1	5	5
N2	4	8
N3	1	3
M classification			0.028
M0	29	21
M1	2	8
Smoking history			0.611
Smokers	14	15
Non smokers	17	14