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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.