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Table 1 Patient and invasive breast cancer characteristics and axillary lymph node status

From: Breast MRI radiomics: comparison of computer- and human-extracted imaging phenotypes

Characteristics Total (N = 91), n (%)
Mean age, years (range) 53.6 (29–82)
Tumour diameter, cm (SD) 2.41 (0.78–5.93)
Invasive breast
 Ductal carcinoma 79 (86.8%)
 Lobular carcinoma 10 (11.0%)
 Other 2 (2.2%)
Oestrogen receptor
 Positive 76 (83.5%)
 Negative 15 (16.5%)
Progesterone receptor
 Positive 72 (79.1%)
 Negative 19 (20.9%)
HER2 receptor
 Positive 14 (15.4%)
 Negative 49 (53.8%)
 Unknown 28 (30.8%)
Lymph node status
 Positive 44 (48.4%)
 Negative 46 (50.5%)
 Unknown 1 (1.1%)
Stage
 I 22 (24.2%)
 II 58 (63.7%)
 III 11 (12.1%)
  1. HER2 Human epidermal grow factor receptor 2
  2. Numbers in parentheses represent percent for categorical variables unless otherwise indicated