Table 2 Survival of patients with N2 non-small cell lung cancer by a univariate analysis (log-rank test)
From: Lymph node ratio as a prognostic factor in patients with pathological N2 non-small cell lung cancer
Variables | 5-year survival (%) | p value | |
|---|---|---|---|
Gender | |||
| Ā | Male | 29.6 | 0.083 |
| Ā | Female | 37.7 | Ā |
Side | |||
| Ā | Right | 32.5 | 0.6669 |
| Ā | Left | 27.3 | Ā |
T factor | |||
| Ā | T1-2 | 34.8 | <0.0001 |
| Ā | T3 | 8.9 | Ā |
Histology | |||
| Ā | Adenocarcinoma | 34.3 | 0.0856 |
| Ā | Others | 23.0 | Ā |
cN | |||
| Ā | N0 | 39.5 | 0.0094 |
| Ā | N1-2 | 21.2 | Ā |
Skip metastasis | |||
| Ā | Skip | 34.8 | 0.0848 |
| Ā | Non-skip | 24.5 | Ā |
Number of metastatic stations | |||
| Ā | Single | 35.8 | 0.2739 |
| Ā | Multiple | 27.7 | Ā |
Lymph node ratio | |||
| Ā | ā¤0.22 | 40.2 | 0.0056 |
| Ā | >0.22 | 21.9 | Ā |