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Table 3 Univariate and multivariate analysis for cancer-caused death in patients undergoing marginal mandibulectomy

From: Oncologic outcome of marginal mandibulectomy in squamous cell carcinoma of the lower gingiva

Variables Univariate Cox model
  Log-rank test HR(95% CI) p
Age (<62 vs ≥62) 0.741   
Sex 0.118   
Dentate 0.412   
Node stage (N0 vs N+) < 0.001 3.058(1.681–8.229) < 0.001
NLR* (<2.8 vs ≥2.8) 0.029 1.956(1.067–2.975) 0.018
Bone invasion 0.147   
 None    
 Cortical invasion    
 Medullary invasion    
Perineural invasion 0.315   
Lymphovascular invasion 0.011 1.975(0.561–4.882) 0.265
Extracapsular spread 0.004 2.229(1.349–5.342) 0.001
Differentiation (Well vs moderate +poor) 0.022 2.553(0.876–6.146) 0.143
Radiotherapy 0.655   
  1. *: NLR neutrophil lymphocyte ratio