Table 1. The expressions of OPN, αvβ3 and Pim-1 in NSCLCs and adjacent normal lung tissues.

Proteins	N	NSCLC	Adjacent normal lung tissue	?2 *	P *
		n (%)	n (%)
OPN	208	141 (67.8)	42 (20.2)	95.62	<0.01
αvβ3	208	158 (76.0)	50 (24.0)	112.15	<0.01
Pim-1	208	122 (58.7)	31 (14.9)	85.61	<0.01

^*The comparison is between the malignant and normal tissue for each marker.