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Table 8 One-stage IPD meta-analyses investigating the interaction between treatment and overweight status

From: Individual patient data meta-analysis of survival data using Poisson regression models

Framework Covariate Cox Poisson (1) Poisson (0.5) Poisson (0.25)
   Hazard Ratio 95% CI Hazard Ratio 95% CI Hazard Ratio 95% CI Hazard Ratio 95% CI
Classical Treatment when w ij = 0, exp ( β ^ 1 ) 0.858 0.736 1.001 0.858 0.736 1.001 0.858 0.736 1.001 0.859 0.736 1.001
  Overweight, exp ( β ^ 1 ) 0.726 0.630 0.835 0.725 0.630 0.835 0.726 0.630 0.835 0.726 0.630 0.835
  Treatment when w ij = 1, exp ( β ^ 1 + γ ^ ) 0.896 0.784 1.024 0.896 0.784 1.023 0.896 0.784 1.024 0.896 0.784 1.024
Bayesian Treatment when w ij = 0, exp ( β ^ 1 ) - - - 0.857 0.734 0.993 0.860 0.736 1.000 0.859 0.733 0.999
  Overweight, exp ( μ ^ ) - - - 0.725 0.634 0.836 0.726 0.632 0.838 0.725 0.631 0.840
  Treatment when w ij = 1, exp ( β ^ 1 + γ ^ ) - - - 0.896 0.781 1.022 0.896 0.787 1.023 0.897 0.785 1.025