Table 2 Clinicopathological characteristics of patients with high and low nodal burden
Characteristics | Low nodal burden (n = 293) | High nodal burden (n = 19) | P value |
|---|---|---|---|
Age | .478 | ||
≤ 50 years | 145 (92.9%) | 11 (7.1%) | |
> 50 years | 148 (94.9%) | 8 (5.1%) | |
Pathological T stage | <.001 | ||
T1 | 229 (97.0%) | 7 (3.0%) | |
≥ T2 | 64 (84.2%) | 12 (15.8%) | |
Histologic type | .220 | ||
Invasive ductal | 269 (93.4%) | 19 (6.6%) | |
Invasive lobular | 12 (100.0%) | 0 | |
Othersa | 12 (100.0%) | 0 | |
Tumor focality | .544 | ||
Unifocal | 233 (94.3%) | 14 (5.7%) | |
Multifocal/multicentric | 60 (92.3%) | 5 (7.7%) | |
Tumor location | .175 | ||
Upper outer | 138 (92.0%) | 12 (8.0%) | |
Othersb | 155 (95.7%) | 7 (4.3%) | |
Histologic grade | .438 | ||
Low | 32 (97.0%) | 1 (3.0%) | |
Moderate or High | 261 (93.5%) | 18 (6.5%) | |
HR status | .468 | ||
Negative | 57 (91.9%) | 5 (8.1%) | |
Positive | 236 (94.4%) | 14 (5.6%) | |
HER2 status c | .759 | ||
Negative | 217 (93.5%) | 15 (6.5%) | |
Positive | 53 (94.6%) | 3 (5.4%) |