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Table 4 Models with varying degrees of freedom for the baseline time-dependent effects, df b and the additional time-dependent effects, df t

From: Flexible parametric modelling of cause-specific hazards to estimate cumulative incidence functions

  Baselinedf b Time-dependentdf t AIC BIC
Model 1 4 4 61841.19 62459.84
Model 2 5 5 61945.39 62606.23
Model 3 5 3 61963.30 62483.53
Model 4 7 3 61947.53 61783.53
Model 5 7 4 61938.33 62585.10
Model 6 3 3 61962.75 62426.74
  1. For 3 df knots are placed at centiles (0, 33, 67, 100), for 4 df at centiles (0, 25, 50, 75, 100), for 5 df at centiles (0, 20, 40, 60, 80, 100) and for 7 df at centiles (14, 29, 43, 57, 71, 86). These are placed on the distribution of uncensored event times.