Prognostic role of nodal ratio, LODDS, pN in patients with pancreatic cancer with venous involvement

BMC Surgery

Table 4 Multivariate analyses using the Cox proportional hazard method. Evaluation of prognostic impact of number of metastatic nodes, pN, nodal ratio and LODDS

Variable	b	SE	P	Exp (b)	95% CI
Age	−0.100	0.184	0.585	0.905	0.633 to 1.294
Sex	−0.244	0.188	0.196	0.784	0.543 to 1.132
Tumor size	0.176	0.197	0.372	1.192	0.813 to 1.749
R status	−0.089	0.221	0.686	0.915	0.594 to 1.407
T stage	−0.059	0.193	0.759	0.942	0.646 to 1.374
N. met. Nodes	0.427	0.186	0.022	1.533	1.066 to 2.23
Age	−0.013	0.183	0.945	0.987	0.691 to 1.411
Sex	−0.247	0.189	0.192	0.781	0.540 to 1.130
Tumor size	0.190	0.197	0.336	1.209	0.823 to 1.775
R status	−0.085	0.218	0.698	0.919	0.600 to 1.407
T stage	−0.115	0.195	0.555	0.892	0.610 to 1.303
N stage	0.603	0.239	0.011	1.828	1.148 to 2.911
Age	−0.0812	0.183	0.655	0.922	0.646 to 1.316
Sex	−0.195	0.190	0.305	0.823	0.568 to 1.192
Tumor size	0.206	0.196	0.293	1.229	0.838 to 1.803
R status	−0.170	0.221	0.441	0.843	0.548 to 1.298
T stage	−0.019	0.188	0.920	0.981	0.680 to 1.416
Nodal ratio	0.384	0.108	0.001	1.468	1.189 to 1.811
Age	−0.010	0.183	0.955	0.989	0.692 to 1.415
Sex	−0.229	0.188	0.221	0.795	0.551 to 1.146
Tumor size	0.184	0.197	0.349	1.202	0.819 to 1.764
R status	−0.189	0.222	0.395	0.828	0.537 to 1.277
T stage	−0.114	0.197	0.563	0.892	0.608 to 1.310
LODDS	0.273	0.089	0.002	1.313	1.105 to 1.562

N. met. Nodes number of metastatic nodes, NR nodal ratio, LODDS log odds of positive lymph nodes

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