Table I.
Patient characteristics.
| Characteristics | Values |
|---|---|
| Patients, n | 41 |
| Age, median years (interquartile range) | 68 (64–79.5) |
| ≥70, n (%) | 18 (43.9) |
| Gender, n (%) | |
| Male | 17 (41.5) |
| Female | 24 (58.5) |
| Histology, n (%) | |
| Adenocarcinoma | 38 (92.7) |
| Non-adenocarcinoma | 3 (7.3) |
| EGFR status, n (%) | |
| Major mutation | |
| Exon 19 del | 23 (56.1) |
| Exon 21 L858R | 15 (36.6) |
| Minor mutation | |
| Exon 18 point mutation | 3 (7.3) |
| PS, n (%) | |
| 0–1 | 28 (68.3) |
| ≥2 | 13 (31.7) |
| Smoking status, n (%) | |
| Yes | 19 (46.3) |
| No | 22 (53.7) |
| Stage, n (%) | |
| IIIB/IV | 32 (78.0) |
| Postoperative recurrence | 9 (22.0) |
| Prior regimen, n (%) | |
| 0 | 34 (83.0) |
| 1 | 7 (17.0) |
EGFR, epidermal growth factor receptor; PS, performance status.