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Table 1 Clinicopathological features of patients in 1-year cohort and 5-year cohort

From: Development and testing of a random forest-based machine learning model for predicting events among breast cancer patients with a poor response to neoadjuvant chemotherapy

 

1-year cohort

5-year cohort

 

Event

Non-event

P-value

Event

Non-event

P-value

Age

  

0.555

  

0.707

  ≤ 40

7

40

 

13

18

 

 40–60

19

174

 

56

56

 

  > 60

4

37

 

11

11

 

Histological type

 

0.111

  

0.237

 Invasive ductal tumor

26

237

 

72

81

 

 Others

4

14

 

8

4

 

T

  

0.017

  

0.064

 T1 + T2

20

214

 

61

75

 

 T3

10

37

 

19

10

 

N

  

0.031

  

1

 N0 + N1

19

204

 

59

63

 

 N2 + N3

11

47

 

21

22

 

HR

  

0.046

  

0.001

 Negative

17

92

 

45

25

 

 Positive

13

159

 

35

60

 

HER2

  

0.013

  

 < 0.001

 Negative

5

34

 

12

10

 

 Low expression

10

150

 

34

62

 

 Positive

15

67

 

34

13

 

Ki67

  

0.718

  

0.225

  ≤ 20

16

150

 

42

56

 

 20–30

8

52

 

19

15

 

  > 30

6

49

 

19

14

 

P53

  

0.103

  

0.228

 Negative

6

91

 

19

28

 

 Positive

24

160

 

61

57

 
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European Journal of Medical Research

ISSN: 2047-783X

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