Table II.

Analysis of PCR results.

Item	Tspan-1	VEGF	E-cadherin	N-cadherin
Male	0.4625±0.1325	0.3659±0.1324	0.1235±0.0685	0.4857±0.1526
Female	0.4526±0.1426	0.3529±0.1268	0.1325±0.0527	0.4759±0.1637
Age, years
<62	0.4429±0.1258	0.3652±0.1127	0.1426±0.0737	0.4659±0.1527
≥62	0.4725±0.1529	0.3528±0.1235	0.1258±0.0638	0.4925±0.1649
Stage II	0.3529±0.1123	0.3251±0.1426	0.1952±0.0859	0.3325±0.1323
Stage III	0.5214±0.1865	0.3956±0.1568	0.0965±0.0123	0.5968±0.1527
Tumor diameter, cm
<3.3	0.4215±0.1238	0.3123±0.1257	0.1857±0.0785	0.4215±0.1538
≥3.3	0.4968±0.1857	0.4214±0.1869	0.0865±0.0232	0.5263±0.2123

VEGF, vascular endothelial growth factor.