Table 1.
Characteristics of patients with young never-smoking lung adenocarcinoma who received whole-exome sequencing
| Variables | Patients (N = 123) |
|---|---|
| Age, years | |
| Median (IQR) | 36 (33, 39) |
| Mean ± SD | 35.0 ± 4.4 |
| Range | 24–40 |
| Sex | |
| Female | 87 (70.7) |
| Male | 36 (29.3) |
| Previous malignant history | |
| Yes | 12 (9.8) |
| No | 111 (90.2) |
| Malignant family history | |
| Yes | 29 (23.6) |
| No | 94 (76.4) |
| Multiple lesions | |
| Yes | 25 (20.3) |
| No | 98 (79.7) |
| TNM stage | |
| 0 | 15 (12.2) |
| I | 46 (37.4) |
| II | 0 (0) |
| III | 25 (20.3) |
| IV | 37 (30.1) |
| Adenocarcinoma subtype | |
| Adenocarcinoma in situ | 15 (12.2) |
| Minimally invasive a enocarcinoma | 24 (19.5) |
| Invasive adenocarcinoma | 84 (68.3) |
IQR interquartile range, SD standard deviation