Hormonal Therapy (0, 1-treatment)
X1; in years
menopausal status (1,2- postmenopausal)
Tumour size (X3; in mm)
Tumour grade (X4; 1,2,3)
Number of positive nodes (X5)
Progesterone receptor (X6; in fmol)
Estrogen receptor (X7; in fmol)
Recurrence free survival time (in days)
Censoring Indicator (0, 1- event)