Table 1.

Correlation between EGFR Overexpression and Clinical-pathological Variables in Mexican Patients Affected by LSCC

Clinical-pathological variables	n	EGFR		P value
		Positive	Negative
All cases	30	13	17
Age				0.509
< 60	5	1	4
> 60	25	12	13
Lymph nodes				0.921
Positive	13	5	8
Negative	17	8	9
Smoking				0.869
Positive	25	11	14
Negative	5	2	3
HPV status				0.926
Positive	6	2	4
Negative	24	11	13

Test performed; Chi-square with Yates correction