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Table 2 Multivariate analysis of survival for IDO1 protein in the Yale hormone-receptor positive breast cancer collection

From: Objective measurement and clinical significance of IDO1 protein in hormone receptor-positive breast cancer

  20-year OS
  HR (95% C.I.) P value
Age > 50 years 2.26 (1.59-3.39) < 0.0001
Tumor size >2 cm 2.11 (1.59-2.81) < 0.0001
Lymph node positive status 1.43 (1.00-2.01) 0.05
TNM Stage III 1.02 (0.67-1.56) 0.91
IDO1-high status 1.57 (1.19-2.09) 0.002