Immunohistochemical Characterization of Three Monoclonal Antibodies Raised against the Epidermal Growth Factor and Its Receptor in Non-Small-Cell Lung Cancer: Their Potential Use in the Selection of Patients for Immunotherapy

Table 1

Patients characteristic.

Features	No. (%)
Gender
Female	23/71 (32.39)
Male	48/71 (67.61)
Age (years)
<60	52/71 (73.24)
60–70	14/71 (19.72)
>70	5/71 (7.04)
Tumor size (cm)
<3	27/71 (38.03)
>3	44/71 (61.97)
Tumor stage
Small cell lung carcinoma
LD	10/12 (83.33)
I	2/12 (16.66)
Non-small cell lung carcinoma
LD	2/59 (3.39)
I	38/59 (64.41)
II	7/59 (11.86)
IIIA	4/59 (6.78)
IIIB	2/59 (3.39)
IV	6/59 (10.17)
Recurrence
Yes	58/71 (81.69)
No	13/71 (18.31)
Overall survival
Life	44/71 (61.97)
Death	27/71 (38.03)

No.: number of cases; %: percentages; LD: limited disease.