Table 1 Clinicopathological characteristics of patients with ultrasound and MRI
Characteristics | Patients with ultrasound (n = 312) | Patients with MRI (n = 256) | P value |
|---|---|---|---|
Age | .926 | ||
≤ 50 years | 156 (50.0%) | 129 (50.4%) | |
> 50 years | 156 (50.0%) | 127 (49.6%) | |
Histologic type | |||
Invasive ductal | 288 (92.3%) | 236 (92.2%) | .945 |
Invasive lobular | 12 (3.8%) | 11 (4.3%) | |
Othersa | 12 (3.8%) | 9 (3.5%) | |
Pathological T stage | .945 | ||
T1 | 236 (75.6%) | 195 (76.2%) | |
≥ T2 | 76 (24.4%) | 61 (23.8%) | |
Tumor focality | .970 | ||
Unifocal | 247 (79.2%) | 203 (79.3%) | |
Multifocal/multicentric | 65 (20.8%) | 53 (20.7%) | |
Tumor location | .859 | ||
Upper outer | 150 (48.1%) | 125 (48.8%) | |
Othersb | 162 (51.9%) | 131 (51.2%) | |
Histologic grade | .636 | ||
Low | 33 (10.6%) | 24 (9.4%) | |
Moderate or High | 279 (89.4%) | 232 (90.6%) | |
HR status | .720 | ||
Negative | 62 (19.9%) | 54 (21.1%) | |
Positive | 250 (80.1%) | 202 (78.9%) | |
HER2 statusc | .591 | ||
Negative | 232 (80.6%) | 188 (78.7%) | |
Positive | 56 (19.4%) | 51 (21.3%) | |
Type of axillary surgery | .903 | ||
SLNB | 59 (18.9%) | 45 (17.6%) | |
AS | 224 (71.8%) | 188 (73.4%) | |
ALND | 29 (9.3%) | 23 (9.0%) | |