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Table 1 Breakdown of dataset by pathological complete response status

From: Intratumoral and peritumoral radiomics for the pretreatment prediction of pathological complete response to neoadjuvant chemotherapy based on breast DCE-MRI

 

pCR

Non-pCR

Number of patients

36

81

Mean age, years

53 (23–72)

48 (26–79)

Receptor status

 ER+

17

66

 PR+

15

58

 HER2+

16

12

 TN

10

9

1.5-T DCE-MRI

30

60

 Scanner 1

17

40

 Scanner 2

12

15

 Scanner 3

1

5

3-T DCE-MRI

6

21

 Scanner 4

0

2

 Scanner 5

3

10

 Scanner 6

3

9

Lesion diameter, cm

 Mean

3.9

4.2

 SD

2.4

2.6

Stage

 I

5

6

 II

18

43

 III

13

31

 IV

0

1

Enhancing mass

29

69

Non-mass enhancement

7

12

  1. Abbreviations: DCE-MRI Dynamic contrast-enhanced magnetic resonance imaging, ER Estrogen receptor, HER2 Human epidermal growth factor receptor 2, pCR Pathological complete response, PR Progesterone receptor, TN Triple-negative