Table 1.
Clinicopathological features of lung cancer cases (N=268)
| Group | Characteristics | Number (%) |
|---|---|---|
| Sex | ||
| Male | 197 (73.8%) | |
| Female | 71 (26.2%) | |
| Age | ||
| > 60 | 138 (51.8%) | |
| ≥ 60 | 130 (48.2%) | |
| Smoking | ||
| Severe | 130 (48.5%) | |
| Moderate | 4 (1.3%) | |
| Slight | 14 (5.1%) | |
| Never | 120 (45.1%) | |
| Histology | ||
| LAC | 83 (31.2%) | |
| LSCC | 146 (54.6%) | |
| SCLC | 39 (14.2%) | |
| Pathologic grade | ||
| Poorly differentiated | 99 (37.1%) | |
| Moderately differentiated | 84 (31.4%) | |
| Well-differentiated | 53 (19.9%) | |
| Undifferentiated | 32 (11.6%) | |
| Clinical staging | ||
| I-II | 71 (26.5%) | |
| III | 97 (36.5%) | |
| IV | 68 (25.4%) | |
| Unavailable | 32 (11.6%) | |
| Pleural invasion | ||
| absent | 72 (26.4%) | |
| Present | 196 (73.6%) | |
| Lymphatic invasion | ||
| Positive | 159 (59.32%) | |
| Negative | 78 (29.02%) | |
| Unavailable | 31 (11.66%) |
LAC, adenocarcinoma of the lung; LSCC, squamous cell carcinoma of the lung; SCLC, small cell lung cancer.