Table 1 Overview of patient and tumor characteristics in the present study
Characteristics | Tissues (1000 cases) n (%) | Blood (500 cases) n (%) |
|---|---|---|
Sex | ||
Male | 578 (57.8) | 308 (61.6) |
Female | 422 (42.2) | 192 (38.4)) |
Age | ||
>60 | 392 (39.2) | 164 (32.8) |
≤60 | 602 (60.2) | 334 (66.8) |
Unknown | 6 (0.6) | 2 (0.4) |
Smoking | ||
Non-smoking | 945 (94.5) | 477 (95.4) |
Occasionally | 11 (1.1) | 3 (0.6) |
Often | 44 (4.4) | 20 (4) |
Tumor type | ||
Lung adenocarcinoma | 843 (84.3) | 402 (80.4) |
Lung squamous carcinoma | 142 (14.2) | 85 (17) |
Unknown | 15 (1.5) | 13 (2.6) |