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Table 4 Parameter estimates for the proportional hazards model on the first time interval

From: Modeling survival in colon cancer: a methodological review

  coef exp(coef) se(coef) z P
Treatment 2 -0.87 0.42 0.37 -2.39 0.02
RaceW -0.61 0.54 0.34 -1.81 0.07
Stage2 -0.38 0.68 0.48 -0.79 0.43
Stage 3 0.26 1.30 0.39 0.67 0.50