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Table 3 Results of the log-rank type test (LRt) when varying the proportion of excess hazard deaths observed in real world data among all excess hazard deaths in hypothetical world data (’observed proportion’)

From: On comparison of net survival curves

  A B C
Proportion with T P <10 0.34 0.34 0.29
Proportion with T E <10 (1- net survival) 0.35 0.35 0.35
Effect of age β>0 β<0 β>0
Proportion of patients that die in 10 years 0.55 0.58 0.52
Proportion of excess hazard deaths among all deaths 0.51 0.51 0.57
Observed proportion of all excess hazard deaths 0.83 0.86 0.86
Power of LRh 0.934 0.933 0.935
Power of LRt 0.507 0.538 0.572