Table III.

Claudin-7 expression and postoperative survival in NSCLC.

	5-year survival rate (%)
	Claudin-7 high patients	Claudin-7 low patients	P-value
All patients	61.3	41.4	0.024
Gender
Male	57.7	32.4	0.035
Female	66.6	68.3	0.855
Histological type
Adenocarcinoma	53.5	54.4	0.664
Squamous cell carcinoma	80.0	26.3	0.011
P-stage
I	91.6	50.0	0.023
II, III	38.5	36.4	0.365
Smoking
Non-smoker	50.0	61.5	0.890
Smoker	65.1	34.3	0.010