Table 3 Survival rate according to clinicopathological factors
Factors related survival | Â | n | survival rate | |||
|---|---|---|---|---|---|---|
| Â | Â | Â | 1 year | 2 year | 4 year | p value |
All cases | Â | 25 | 60.0 | 36.0 | 27.5 | Â |
Gender | Male | 21 | 57.1 | 28.6 | 22.9 | 0.424 |
| Â | Female | 4 | 75.0 | 75.0 | 50.0 | Â |
Thoracic procedure | Thoracotomy | 21 | 75.0 | 50.0 | 50.0 | 0.402 |
| Â | Thoracoscopy | 4 | 57.1 | 33.3 | 22.2 | Â |
Postoperative morbidity | Present | 11 | 72.7 | 45.5 | 36.3 | 0.162 |
| Â | Absent | 14 | 50.0 | 28.6 | 21.4 | Â |
pT | pT1 | 8 | 75.0 | 50.0 | 33.3 | 0.562 |
| Â | pT3, pT4 | 17 | 52.9 | 29.4 | 23.5 | Â |
pN | + | 18 | 61.1 | 27.8 | 22.2 | 0.707 |
| Â | - | 7 | 57.1 | 57.1 | 38.1 | Â |
pStage | I, II | 9 | 66.7 | 66.7 | 53.3 | 0.042 |
| Â | III, IV | 16 | 56.3 | 18.8 | 12.5 | Â |
Classification of the tumor | Squamous cell csrcinoma | 20 | 50.0 | 25.0 | 18.8 | 0.052 |
| Â | Other type | 5 | 80.0 | 80.0 | 60.0 | Â |
Lymphatic invasion | + | 10 | 44.4 | 11.1 | 11.1 | 0.218 |
| Â | - | 15 | 68.8 | 50.0 | 36.4 | Â |
Venous invasion | + | 4 | 50.0 | 0 | 0 | 0.290 |
| Â | - | 21 | 61.9 | 42.9 | 32.1 | Â |
Number of pulmonary metastasis | Solitary | 6 | 100.0 | 100.0 | 80.0 | 0.001 |
| Â | Multiple | 19 | 47.4 | 15.8 | 10.5 | Â |
Extrapulmonary metastasis | Present | 11 | 45.8 | 18.2 | 0 | 0.016 |
| Â | Absent | 14 | 71.4 | 50.0 | 41.7 | Â |
Pulmonary resection | Resected | 5 | 100.0 | 100.0 | 75.0 | 0.002 |
| Â | Nonresected | 20 | 50.0 | 20.0 | 15.0 | Â |
Time of recurrence | Within 2 year | 16 | 37.5 | 0.0 | 0.0 | 0.001 |
| Â | More than 2 years | 9 | 100.0 | 100.0 | 76.2 | Â |