TABLE 1.
Characteristics of Patients
| Characteristic | Total (N = 191) | Patients With Genetic Information (n = 102) |
|---|---|---|
| Histology, No. (%) | ||
| SCLC | 120 (62.8) | 63 (61.8) |
| LCNEC | 71 (37.2) | 39 (38.2) |
| Age at diagnosis, median (range) | 66 (36-89) | 67 (36-85) |
| Sex, No. (%) | ||
| Male | 173 (90.6) | 94 (92.2) |
| Female | 18 (9.4) | 8 (7.8) |
| ECOG performance, No. (%) | ||
| 0 | 22 (11.5) | 13 (12.7) |
| 1 | 123 (64.4) | 59 (57.8) |
| 2 | 30 (15.7) | 19 (18.6) |
| 3 | 16 (8.4) | 11 (10.8) |
| Smoking status, No. (%) | ||
| Never-smoker | 36 (18.8) | 21 (20.6) |
| Smoker | 155 (81.2) | 81 (79.4) |
| Smoking pack-years, median (range) | 44 (1-214) | 45 (1-214) |
| TNM stage, No. (%) | ||
| 1 | 25 (13.1) | 20 (19.6) |
| 2 | 12 (6.3) | 7 (6.9) |
| 3 | 55 (28.8) | 28 (27.5) |
| 4 | 99 (51.8) | 47 (46.1) |
| First treatment, No. (%) | ||
| Surgery | 44 (25.7) | 29 (30.5) |
| Chemoradiation | 34 (15.8) | 9 (9.5) |
| Chemotherapy | 95 (60.8) | 57 (60.0) |
Abbreviations: ECOG, Eastern Cooperative Oncology Group; LCNEC, large cell neuroendocrine carcinoma; SCLC, small cell lung cancer.