Table I.
Characteristics of 1,994 patients with lung cancer.
| Characteristics | Number | Percentage |
|---|---|---|
| Age (years) | Mean, 68 | SD, 10 |
| Gender | ||
| Male | 1533 | (76.9%) |
| Female | 461 | (23.1%) |
| Histology | ||
| Non-small cell carcinoma | 1674 | (84.0%) |
| Adenocarcinoma | 987 | (49.5%) |
| Squamous cell carcinoma | 568 | (28.5%) |
| Large cell carcinoma | 94 | (4.7%) |
| Others | 25 | (1.3%) |
| Small cell carcinoma | 320 | (16.0%) |
| Lung cancer | ||
| Non-metastatic | 1155 | (57.9%) |
| Metastatic | 839 | (42.1%) |
| Most common metastatic sites | ||
| Lung | 368 | (18.5%) |
| Bone | 327 | (16.4%) |
| Brain | 248 | (12.4%) |
| Liver | 142 | (7.1%) |
| Adrenal gland | 111 | (5.6%) |
SD, standard deviation.