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Table 1 Profile of invasive ductal carcinoma cases enrolled in the study

From: Accuracy and efficiency of an artificial intelligence tool when counting breast mitoses

Reported breast carcinoma parameters %
Mitosis Score 1 21.4%
2 31.4%
3 47.1%
Nottingham Grade 1 7.9%
2 46.4%
3 45.7%
ER Not available 5.0%
Negative 25.7%
Positive 69.3%
PR Not available 5.0%
Negative 32.1%
Positive 62.9%
HER2/neu (IHC status) Not available 5.0%
Negative 59.3%
Equivocal 9.3%
Weakly positive 1.4%
Positive 25.0%
HER2/neu (FISH status) Not available 89.3%
Negative 10.0%
Positive 0.7%
  1. ER estrogen receptor, FISH fluorescence in situ hybridization, HER2 human epidermal growth factor receptor 2, IHC immunohistochemistry, PR progesterone receptor