Clinicopathological characteristics of patients and samples (n=86)
| Characteristic | Value |
|---|---|
| Age, years | |
| Median | 55 |
| Range | 28–81 |
| Sex, n (%) | |
| Male | 56 (65) |
| Female | 30 (35) |
| Smoking history, n (%) | |
| Never smoker | 39 (45) |
| Former smoker | 10 (12) |
| Current smoker | 37 (43) |
| Histology, n (%) | |
| Adenocarcinoma | 85 (99) |
| Adenosquamous carcinoma | 1 (1) |
| Disease stage, n (%) | |
| IIIB | 4 (5) |
| IV | 82 (95) |
| Sample collection, n (%) | |
| Tumour tissue sample | 86 (100) |
| Matched pleural effusion | 21 (24) |
| Unmatched pleural effusion | 6 (7) |
| Matched plasma | 86 (100) |