Table 2 Overview of subgroups analysed for overall survival by trial. a) Subgroup analysis based on (Poortmans et al. [20])
Subgroups | Thorsen | Hennequin | Poortmansa | Whelan |
|---|---|---|---|---|
Primary Tumor Size | ||||
-T1 | + | – | + | – |
-T2 | + | – | + | – |
-T3 | + | – | + | – |
Nodal Stage | ||||
-N+ | + | + | + | + |
-N0 | – | + | + | + |
-N1 | + | – | + | + |
-N2+ | + | – | + | + |
Tumor Location | ||||
-Medial / central | + | + | – | + |
-Lateral | + | + | – | + |
Hormonal Status | ||||
-Premenopausal | + | – | + | – |
-Postmenopausal | + | – | + | – |
Type of Surgery | ||||
-Mastectomy | + | – | + | – |
-Breast conservation | + | – | + | – |
Receipt of Chemotherapy | – | + | + | – |