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Table 1 Clinical characteristics of 60 patients

From: Detection of EGFR mutations in circulating free DNA by PNA-mediated PCR clamping

  Total (n = 60)
Age  
   Median, years 62.5
   Range 38-84
Gender  
   Female 39 (65.0%)
   Male 21 (35.0%)
Smoking history  
   Nonsmoker 43 (71.7%)
   Ex-smoker 11 (18.3%)
   Current smoker 6 (10.0%)
WHO Performance status  
   Normal activity 23 (38.3%)
   Restricted activity 27 (45.0%)
   In bed < 50% of the time 9 (15.0%)
   In bed > 50% of the time 1 (1.7%)
Tumor histology  
   ADC 53 (88.3%)
   SQC 3 (5.0%)
   LCC 1 (1.7%)
   NSCLC NOS 2 (3.3%)
Others 1 (1.7%)
Stage  
   IIIA 3 (5.0%)
   IIIB 4 (6.7%)
   IV 53 (88.3%)
  1. Abbreviations: ADC adenocarcinoma, SQC squamous cell carcinoma, LCC large cell carcinoma, NSCLC NOS non-small cell lung cancer not otherwise specified.