Table 1. Patient characteristics and clinicopathologic correlation of IGF-1R and IRS-2 expression.

Characteristics	Number of cases	IGF-1R expression		P-value	IRS-2 expression		P-value
		High	Low		High	Low
Age (years)				0.304			0.659
≥60	31	19	12		20	11
<60	33	16	17		23	10
Gender				0.418			0.614
Male	43	22	21		28	15
Female	21	13	8		15	6
Histology				0.013			0.036
Well	37	15	22		21	16
Moderate	13	8	5		9	4
poor	14	12	2		13	1
pTNM Stage				0.270			0.554
I	15	5	10		8	7
II	18	11	7		13	5
III	11	6	5		7	4
IV	20	13	7		15	5