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. 2022 May 26;24(3):811–831. doi: 10.1093/biostatistics/kxac009

Table 1.

Simulation results for exponentially distributed data with Inline graphic, with Inline graphic observations per simulation and 300 simulation sets

    Inline graphic   Inline graphic
Inline graphic Model Inline graphic Inline graphic   Inline graphic Inline graphic
0 Poisson regression 0.998 0.054   0.679 0.053
  Cox regression 0.999 0.054   0.663 0.053
  Smooth AFT Inline graphic 0.998 0.055   Inline graphic 0.962 0.079
0.1 Poisson regression 0.998 0.054   0.901 0.054
  Cox regression 0.999 0.055   0.880 0.054
  Smooth AFT Inline graphic 0.998 0.056   Inline graphic 1.278 0.083
Inline graphic 0.1 Poisson regression 0.998 0.053   0.464 0.052
  Cox regression 0.999 0.054   0.454 0.052
  Smooth AFT Inline graphic 0.998 0.055   Inline graphic 0.657 0.077

The regression models assume that both covariates are modeled (Inline graphic) or that only the Inline graphic covariate is modeled (Inline graphic). The expectations for the estimated Inline graphic and their standard errors are over the simulation sets.