The Effect of Young Age in Hormone Receptor Positive Breast Cancer
Table 3
Cox proportional hazards model for recurrence/death.
Variable
Hazard ratio
95% confidence interval
value
Age <40 years
1.10
0.46, 2.63
0.84
Stage
2 versus 1
1.90
0.80, 4.54
0.15
3 versus 1
8.93
2.93, 27.21
<0.01
Luminal B
1.93
1.16, 3.22
0.01
Surgery
Mastectomy versus BCT
0.42
0.24, 0.74
<0.01
Postoperative chemotherapy
0.40
0.23, 0.67
<0.01
Postoperative radiation
0.31
0.18, 0.54
<0.01
BCT: breast conservation therapy. Nodal stage, differentiation, lymphovascular invasion, nodal surgery, and T stage not significant at given the above model.