3.

N2-Ⅲa期NSCLC多因素Cox回归分析

Multivariate analysis of N2-Ⅲa NSCLC patients for identifying prognostic factors

Item	P	HR	95%CI
Age (< 65 yr vs ≥65 yr)	0.568	0.839	0.459-1.533
Gender (male vs female)	0.724	1.131	0.571-2.243
Smoking index (≥400 vs < 400)	0.641	1.162	0.619-2.181
Perioperative chemo (no vs yes)	0.207	1.733	0.738-4.069
Intravascularcancer (yes vs no)	0.104	1.637	0.904-2.966
Tumor diameter (> 3 cm vs ≤3 cm)	0.624	1.162	0.638-2.115
Histology (adeno vs non-adeno)	0.128	0.583	0.291-1.168
N2 level (single vs multiple)	< 0.001	0.326	0.186-0.572
pN2 classification (Ⅲa1/a2 vs Ⅲa3/a4)	0.032	0.494	0.259-0.941