Table 1 Clinicopathologic characteristics of the triple-negative studied tumors in function of cluster assignment
Variable | All (n = 238) | Cluster 1 (n = 55) | Cluster 2 (n = 98) | Cluster 3 (n = 85) | P |
|---|---|---|---|---|---|
Age (years; mean ± sd) | 54.6 ± 11.6 | 58.4 ± 11.4 | 54.4 ± 11.8 | 52.3 ± 11.0 | 0.0095 |
SBR grade | |||||
1 | 3 | 2 | 0 | 1 | 0.0054 |
2 | 40 | 16 | 10 | 14 | |
3 | 195 | 37 | 88 | 70 | |
Tumor size (mm; mean ± sd) | 24.3 ± 12.7 | 24.3 ± 15.1 | 25.1 ± 11.7 | 23.5 ± 12.2 | 0.69 |
Nodal status | |||||
0 | 129 | 28 | 54 | 47 | 0.85 |
1 | 108 | 27 | 43 | 38 | |
NPI | |||||
1 | 15 | 9 | 1 | 5 | 0.0075 |
2 | 160 | 31 | 71 | 58 | |
3 | 61 | 14 | 25 | 22 | |
Radiotherapy | |||||
No | 11 | 3 | 3 | 5 | 0.67 |
Yes | 224 | 51 | 94 | 79 | |
Adjuvant therapy | |||||
No | 13 | 6 | 5 | 2 | 0.10 |
Yes | 225 | 49 | 93 | 83 | |
Hormonotherapy | |||||
No | 220 | 51 | 92 | 77 | 0.94 |
Yes | 14 | 3 | 5 | 6 | |
Metastasis | |||||
No | 184 | 41 | 75 | 68 | 0.74 |
Yes | 54 | 14 | 23 | 17 | |