Table 1 Patients and tumour characteristics
From: Breast cancer Ki-67 expression prediction by digital breast tomosynthesis radiomics features
Characteristic | Mean (range) | Number of patients |
|---|---|---|
Age | 62 (26–86) years | 70 |
Histological subtype | ||
Invasive ductal carcinoma | 52 | |
Infiltrating lobular carcinoma | 8 | |
Other types | 10 | |
Histological grade (Nottingham’s scale) | ||
High (G3) | 16 | |
Intermediate (G2) | 28 | |
Low (G1) | 26 | |
Tumour size | 15 (4–55) mm | |
< 10 mm | 12 | |
10–19 mm | 45 | |
20–29 mm | 5 | |
≥ 30 mm | 8 | |
Nodal status | ||
Negative | 48 | |
Positive | 16 | |
Unknown | 6 | |