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Table 2

Correlation between integrin α5 gene expression and clinicopathological factors in 88 node-negative NSCLC patients

	Total	α5 status			P
	Total			Overexpression	P	Normal expression
Age
≦60	24	7	17	0.0312
>60	64	27	37
Gender
Female	25	10	15	NS^a
Male	63	34	29
Tumor size
≦3 cm	31	16	15	NS
>3 cm	57	28	29
Histology
AD	53	25	28	NS
SQ	30	16	14
LA	5	3	2
Differentiation
Well	22	6	16	0.0379
Moderately	44	24	20
Poorly	22	14	8
Total	88	44	44

	Total	α5 status			P
	Total			Overexpression	P	Normal expression
Age
≦60	24	7	17	0.0312
>60	64	27	37
Gender
Female	25	10	15	NS^a
Male	63	34	29
Tumor size
≦3 cm	31	16	15	NS
>3 cm	57	28	29
Histology
AD	53	25	28	NS
SQ	30	16	14
LA	5	3	2
Differentiation
Well	22	6	16	0.0379
Moderately	44	24	20
Poorly	22	14	8
Total	88	44	44

^a

NS, not significant; AD,adenocarcinoma; SQ, squamous cell carcinoma; LA, large cell carcinoma.