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Table 2 Multivariable prognostic model for the derivation dataset

From: External validation of a Cox prognostic model: principles and methods

Variable β ̂ SE
age 3 1.07 0.40
age 3 × ln (age) 9.13 2.64
meno 0.46 0.12
sized1 0.23 0.08
sized2 0.31 0.08
nodes -0.5 -1.74 0.14
er -0.34 0.13
hormon -0.35 0.08
  1. Note that for legibility of the regression coefficients, age was divided by 100 and er by 1000 before analysis.