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Table 1 Clinicopathological features of the patients analyzed for EGFR mutations by IHC assay.

From: Detection of EGFR mutations with mutation-specific antibodies in stage IV non-small-cell lung cancer

 

Patients (N = 78)

Characteristic

No.

%

Age, years

  

   Mean

64

 

   Range

36-85

 

Sex

  

   Male

28

36

   Female

50

64

Race

  

   Caucasian

78

100

Smoker

  

   Ex-smoker

26

33

   Current smoker

7

9

   Never smoker

45

58

Histology

  

   Adenocarcinoma

69

88.4

   Large-cell carcinoma

5

7.1

   Squamous cell carcinoma

1

1.4

   Others

3

4.3

Adenocarcinoma subtype

  

   Glandular

36

52.2

   Solid

20

29

   Papillary

6

8.7

   Micropapillary

1

1.4

   BAC

6

8.7