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