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Table 2 Bootstrap Inclusion Frequency (BIF) for each co-variable and their type of associations following the sensitivity analysis

From: On the use of flexible excess hazard regression models for describing long-term breast cancer survival: a case-study using population-based cancer registry data

  BIF (%)
Main Non-linear Time dependent
Age 92.9 18.8 87.1
Size of the tumour 99.6 34.2 57.1
Nodal involvment 85.8 55.4
Grade of the tumour 90.8 51.7
Hormone receptors 97.1 95.4
Radiotherapy 59.6 18.8
Chemotherapy 75.4 32.9
Hormonal treatment 45 20.4
  1. “-”: Not applicable