Table 3.
Clinical and pathological predictors of 5-year survival after resection of pulmonary metastases by single variable analysis
| Variables | P† | |
|---|---|---|
| Men | 22 (51.4) | 0.094 |
| Women | 12 (70.7) | |
| Age, years | 0.003 | |
| ≥60 | 21 (34.2) | |
| <60 | 13 (73.2) | |
| Histology | ||
| Squamous cell carcinoma | 15 (16.4) | 0.001 |
| Other diagnoses | 19 (64.4) | |
| Disease-free interval, months | ||
| ≤26 | 19 (40.2) | 0.005 |
| >26 | 15 (83.3) | |
| Number of metastases | ||
| Solitary | 19 (54.8) | 0.742 |
| Multiple | 15 (60.2) | |
| Tumor size, mm | ||
| ≥25 | 26 (50.0) | 0.075 |
| <25 | 8 (61.5) | |
| Operation | ||
| Partial resection | 19 (65.7) | 0.688 |
| Segmentectomy | 5 (53.3) | |
| Lobectomy | 10 (45.0) | |
| Primary site | ||
| Tongue | 8 (50.0) | 0.642 |
| Others | 26 (60.6) | |
| Resection | ||
| Incomplete | 12 (56.3) | 0.483 |
| Complete | 22 (58.9) |
†
Values are number of observations (% 5-year survival). †log-rank test.