Table I.

Relation between expression of sLe^x/sLe^a and E-selectin ligands with patient's clinical features.

Clinical feature	sLex/a expression (mean T/N ratio ± SEM)	P-value	E-Selectin ligands expression (mean T/N ratio ± SEM)	P-value
Histological type		0.577		>0.999
Adenocarcinoma (N=14)	1.710±0.165		1.557±0.185
Squamous cell carcinoma (N=4)	1.448±0.220		1.633±0.321
Stage of disease		0.335		<0.999
I + II (N=11)	1.500±0.222		1.556±0.189
III (N=7)	1.748±0.176		1.585±0.234
Gender		>0.999		<0.999
Male (N=13)	1.670±0.182		1.562±0.216
Female (N=5)	1.604±0.171		1.604±0.108
Metastatic site		0.033a		0.500
Bones (N=3)	2.353±0.307		1.663±0.156
Other sites (N=7)	1.270±0.162		1.173±0.292
Age		0.347		0.153
<median age (N=9)	1.483±0.213		1.190±0.195
≥median age (N=9)	1.820±0.166		1.958±0.172
Smoking habits		<0.999		<0.999
Smoker (N=11)	1.625±0.186		1.715±0.215
Non-smoker (N=7)	1.693±0.214		1.351±0.210

^aP<0.05. sLe^x/a; sialyl Lewis x/a; T/N, tumour/normal tissue.