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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