Table 1.

Correlation analysis of fibronectin expression with clinicopathological characteristics

Variables	IHC scores of fibronectin (n)		P value
	High (≥3)	Low (≤2)
Microvascular invasion
No	5	28	P<0.01
Yes	11	8
Tumor size
≤5 cm	3	23	P<0.01
>5 cm	13	13
TNM stage
I	10	23	P<0.05
II	4	1
III	2	12

Pearson's chi squared test was used.