Table 1.
Baseline characteristics of lung cancer patients
| Variables | Patients (n = 240) | |
|---|---|---|
| No. | % | |
| Age (years) | ||
| Median age | 58 | |
| Range | 31–87 | |
| Gender | ||
| Male | 138 | 57.5 |
| Female | 102 | 42.5 |
| Smoking status (per year) | ||
| 0 | 127 | 52.9 |
| < 400 | 22 | 9.2 |
| > 400 | 91 | 37.9 |
| Pathological type | ||
| Squamous cell carcinoma | 30 | 12.5 |
| Adenocarcinoma | 167 | 69.6 |
| Small cell carcinoma | 38 | 15.8 |
| Others | 5 | 2.1 |
| Disease stage | ||
| NSCLC (n = 202) | ||
| I–II | 35 | 14.6 |
| III | 31 | 12.9 |
| IV | 136 | 56.7 |
| SCLC (n = 38) | ||
| LD | 18 | 7.5 |
| ED | 20 | 8.3 |
| Treatment history† | ||
| Yes | 89 | 37.1 |
| No | 151 | 62.9 |
†
Treatment history: anti‐tumor treatment, including radiotherapy, chemotherapy, targeted therapy, and immunotherapy. ED, extensive disease; LD, limited disease; NSCLC, non‐small cell lung cancer; SCLC, small cell lung cancer.