Table 3.
Cancer detectability score on digital breast tomosynthesis according to clinical and pathological factors
| Parameter | No. of cancers | Cancer detectability score |
|
|---|---|---|---|
| Mean ± SD | p-value | ||
| Age (years) | 0.010 | ||
| <50 | 151 | 2.64 ± 0.79 | |
| ≥50 | 137 | 2.85 ± 0.53 | |
| Palpable symptom | 0.082 | ||
| Absent | 85 | 2.62 ± 0.75 | |
| Present | 203 | 2.79 ± 0.65 | |
| Invasive tumour size | <0.001 | ||
| ≤1 cm | 39 | 2.26 ± 1.07 | |
| 1–2 cm | 111 | 2.69 ± 0.74 | |
| >2 cm | 138 | 2.91 ± 0.37 | |
| Histological type | 0.496 | ||
| Ductal, NOS | 248 | 2.75 ± 0.66 | |
| Ductal, special type | 18 | 2.55 ± 0.98 | |
| Lobular | 22 | 2.73 ± 0.70 | |
| Presence of DCIS | 0.298 | ||
| Absent | 57 | 2.82 ± 0.60 | |
| Present | 231 | 2.72 ± 0.71 | |
| Histological grade | 0.023 | ||
| 1 | 11 | 2.45 ± 1.03 | |
| 2 | 127 | 2.64 ± 0.81 | |
| 3 | 150 | 2.84 ± 0.51 | |
| Molecular subtype | 0.213 | ||
| HR+ | 194 | 2.70 ± 0.74 | |
| HER2+ | 48 | 2.89 ± 0.31 | |
| TNBC | 46 | 2.74 ± 0.71 |
Note. DCIS, ductal carcinoma in situ; HR+, hormone receptor; HER2+, human epidermal growth factor receptor 2; NOS, not otherwise specified; SD, standard deviation; TNBC, triple negative breast cancer.