Table 1. Baseline characteristics of the 247 lung cancer patients.
| Variable | No. (%) (n=247) |
|---|---|
| Sex | |
| Male | 199 (80.6) |
| Female | 48 (19.4) |
| Age, yr | |
| Mean±SD | 64.9±10.0 |
| Median (range) | 66.0 (33.0–87.0) |
| Histology | |
| Adenocarcinoma | 116 (47.0) |
| Squamous cell carcinoma | 67 (27.1) |
| Large cell carcinoma | 5 (2.0) |
| Small cell carcinoma | 53 (21.5) |
| Others | 6 (2.4) |
| Stage | |
| NSCLC (n=194) | |
| IA | 6 (3.1) |
| IB | 3 (1.5) |
| IIA | 9 (4.6) |
| IIB | 2 (1.0) |
| IIIA | 47 (24.2) |
| IIIB | 32 (16.5) |
| IV | 95 (49.0) |
| SCLC (n=53) | |
| Limited disease | 14 (26.4) |
| Extensive disease | 39 (73.6) |
NSCLC: non-small cell lung cancer; SCLC: small cell lung cancer.