Predictive factors | Pulmonary LN a metastasis (pN1+) | Mediastinal LN a metastasis (pN2+) | Any LN a metastasis (pN+) e |
---|---|---|---|
Central localization | P = 0.002 b OR = 2.9 c CI = 1.5–5.6 d | P = 0.06 OR2.0 CI = 0.9–4.1 | P = 0.005 OR = 2.6 CI = 1.3–5.1 |
Increased tumor size | P = 0.043 OR = 1.2 CI = 1.0–1.3 | P = 0.040 OR = 1.2 CI = 1.0–1.4 | P = 0.005 OR = 2.5 CI = 1.3–4.4 |