Table 3. Expression of the studied factors according to clinical parameters.

	EGFR expression				P53 expression			VEGF expression
Clinical parameters and outcome variables	Neg	M pos	D pos	P	Neg	Pos	P	Neg	Pos	P
Age
< 55 yo	10	18	04	0.299	09	23	0.731	15	17	0.091
55–65 yo	10	25	07		15	27		27	15
> 65 yo	14	12	07		12	21		24	09
Gender
Male	33	46	15	0.087	31	63	0.937	59	35	0.752
Female	01	09	03		05	08		07	06
Diff
WD	12	21	11	0.124	18	26	0.126	34	10	0.012
MPD	22	34	07		18	45		32	31
pT
pT1	14	16	04	0.312	09	25	0.284	23	11	0.386
pT2-T3	20	39	14		27	46		43	30
pN
N0	24	33	09	0.196	19	47	0.177	42	24	0.598
N+	10	22	09		17	24		24	17
Vasc. Inv.
No	28	32	12	0.061	23	49	0.593	48	24	0.128
Yes	06	23	06		13	22		18	17
Local recurrence
No	25	35	11	0.552	20	51	0.092	44	27	0.931
Yes	09	20	07		16	20		22	14
Metastasis occurrence
No	21	28	07	0.278	21	35	0.376	34	22	0.829
Yes	13	27	11		15	36		32	19
EGFR status
Negative		12	22	0.800	21	13	0.268
M pos		17	38		31	24
D pos		07	11		14	04
P53 positivity
Negative			19	17	0.177
Positive			47	24
Total	34 31.8%	55 51.4%°	18 16.8%		36 33.6%	71 66.4%		66 61.7	41 38.3

yo=years old, Diff=differenciation, WD=well differentiated, MPD=moderately to poorly differentiated, Vasc. Inv.=vascular invasion, M pos=mosaic positivity, D pos=diffuse positivity, neg=negative, pos=positive.