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 | Â |
   Median, years | 62.5 |
   Range | 38-84 |
Gender | Â |
   Female | 39 (65.0%) |
   Male | 21 (35.0%) |
Smoking history | Â |
   Nonsmoker | 43 (71.7%) |
   Ex-smoker | 11 (18.3%) |
   Current smoker | 6 (10.0%) |
WHO Performance status | Â |
   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 | Â |
   ADC | 53 (88.3%) |
   SQC | 3 (5.0%) |
   LCC | 1 (1.7%) |
   NSCLC NOS | 2 (3.3%) |
Others | 1 (1.7%) |
Stage | Â |
   IIIA | 3 (5.0%) |
   IIIB | 4 (6.7%) |
   IV | 53 (88.3%) |