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Table 4 Clinicopathologic characteristics between breast cancer patients with/without brain metastasis

From: Clinicomics-guided distant metastasis prediction in breast cancer via artificial intelligence

Character

All

  

Distant metastasis

HR

(95% CI)

P-value

no

yes

Age (mean ± SD, years)

47.6 (9.66)

42.5 (6.22)

0.94 (0.874–1.01)

0.099

Family history of BC

 Yes

6 (4.84%)

0 (0.00%)

3.84e-08 (0-Inf)

0.998

 No

118 (95.16%)

10 (100.00%)

Breast-feeding histories

 Yes

108 (87.10%)

7 (70.00%)

0.375 (0.097–1.45)

0.156

 No

16 (12.90%)

3 (30.00%)

Marital status

 Married

122 (98.39%)

9 (90.00%)

0.214 (0.0271–1.69)

0.143

 Never married

2 (1.61%)

1 (10.00%)

Abortion

 Yes

76 (61.29%)

4 (40.00%)

0.44 (0.124–1.56)

0.203

 No

48 (38.71%)

6 (60.00%)

Reproductive history

 Yes

118 (95.16%)

9 (90.00%)

0.515 (0.0652–4.06)

0.528

 No

6 (4.84%)

1 (10.00%)

Menstrual status

 Menstruate

78 (62.90%)

8 (80.00%)

0.434 (0.0922–2.05)

0.292

 Menopause

46 (37.10%)

2 (20.00%)

Age of menarche

14.5 (1.73)

13.6 (1.51)

0.71 (0.465–1.08)

0.113

Lymph node metastasis

 Have

30 (24.19%)

5 (50.00%)

2.99 (0.866–10.3)

0.083

 None

94 (75.81%)

5 (50.00%)

molecular subtyping

 1

13 (10.48%)

0 (0.00%)

1.59 (0.856–2.97)

0.141

 2

85 (68.55%)

6 (60.00%)

 3

6 (4.84%)

1 (10.00%)

 4

20 (16.13%)

3 (30.00%)

ER

 Positive

98 (79.03%)

4 (40.00%)

0.197 (0.0557–0.7)

0.012

 Negative

26 (20.97%)

6 (60.00%)

PR

 Positive

95 (76.61%)

5 (50.00%)

0.33 (0.0956–1.14)

0.080

 Negative

29 (23.39%)

5 (50.00%)

HER2 status

 Positive

84 (67.74%)

6 (60.00%)

1.27 (0.559–2.9)

0.565

 Negative

40 (32.26%)

4 (40.00%)

Ki-67

 Positive

109 (87.90%)

10 (100.00%)

1.01 (0.983–1.03)

0.523

 Negative

15 (12.10%)

0 (0.00%)

TPSA

 Positive

13 (10.48%)

2 (20.00%)

2.12 (0.451–10)

0.341

 Negative

111 (89.52%)

8 (80.00%)

CA153

 Positive

1 (0.81%)

4 (40.00%)

35.7 (9.63–132)

 < 0.001

 Negative

123 (99.19%)

6 (60.00%)

CEA

 Positive

1 (0.81%)

2 (20.00%)

18.2 (3.81–86.9)

 < 0.001

 Negative

123 (99.19%)

8 (80.00%)

CA125

 Positive

8 (6.45%)

3 (30.00%)

5.5 (1.42–21.3)

0.013

 Negative

116 (93.55%)

7 (70.00%)

Operation

 No surgery

0 (0.00%)

2 (20.00%)

0.573 (0.177–1.86)

0.353

 Conserving

55 (44.35%)

2 (20.00%)

 Radical

69 (55.65%)

6 (60.00%)

Endocrinotherapy

 Yes

12 (9.68%)

0 (0.00%)

1.3e-08 (0-Inf)

0.998

 No

112 (90.32%)

10 (100.00%)

Radiotherapy

 Yes

17 (13.71%)

3 (30.00%)

2.66 (0.687–10.3)

0.157

 No

107 (86.29%)

7 (70.00%)

Chemotherapy

 Yes

113 (91.13%)

10 (100.00%)

75,600,000 (0-Inf)

0.998

 No

11 (8.87%)

0 (0.00%)

RadScore (mean ± SD)

-2.82 (0.53)

-1.72 (0.11)

0.356

 < 0.001

  1. Abbreviations: ER Expression of the oestrogen receptor, PR Progesterone receptor, HER2 Human epidermal growth factor receptor 2, TPSA Total prostate-specific antigen, CA125 Carbohydrate antigen 125, CEA Carcinoembryonic antigen, CA153 Carbohydrate antigen 125