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Table 4 Multivariable analysis of overall survival and clinicopathological parameters of patients with parotid gland carcinomas

From: Outcome analysis of 215 patients with parotid gland tumors: a retrospective cohort analysis

Variable   Multivariable analysis for overall survival
  p-value Hazard ratio 95 % Confidence Interval
Lymphovascular invasion 0.0020 3.217 1.532 6.755
Histopathological grade 0.0293 3.774 1.312 10.858
pN status 0.0430 1.060 1.002 1.122
Age >60 0.0352 1.990 1.049 3.775
Radiation yes/no 0.0056 0.272 0.106 0.696
  1. pN = pathological N classification