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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