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Table 3 Cox proportional multivariate hazard models for OS

From: Impact of prognostic nutritional index on long-term outcomes in patients with breast cancer

Variables   Hazard ratio 95 % CI P value
Age >65 11.9 2.23–220.81 0.002
Tumor size >2 cm 1.94 0.45–8.91 0.377
Lymph node metastasis Positive 4.06 1.05–17.86 0.042
PNI 52.8 5.88 1.13–108.01 0.033
  1. CI confidence interval, PNI prognostic nutritional index