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Table 6 Cox proportional hazards model for overall survival

From: The prognostic value of nestin expression in newly diagnosed glioblastoma: Report from the Radiation Therapy Oncology Group

Covariates Comparison HR(95% CI) p-value
Nestin Low --  
  Intermediate 1.66 (0.94, 2.93) 0.98
  High 1.47 (0.83, 2.60) 0.18
RPA III --  
  IV 1.65 (1.03, 2.66) 0.04
  V 2.58 (1.60, 4.15) < .0001