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Table 1 Baseline characteristics

From: Association of tumor immune microenvironment profiling and 21-gene recurrence assay in early breast cancer patients

Characteristics

N

%

Age, years

  

    ≤ 50

127

33.0

   > 50

258

67.0

Menstrual status

  

 Premenopausal

144

37.4

 Postmenopausal

241

62.6

Histologic type

  

 IDC

324

84.2

 Non-IDC

61

15.8

Tumor size, cm

  

   ≤ 2

279

72.5

   > 2

106

27.5

Histological grade

  

 I

47

12.2

 II

234

60.8

 III

96

24.9

 Unknown

8

2.1

ER expression, %

  

   < 50

79

20.5

   ≥ 50

306

79.5

PR status

  

 Positive

333

86.5

 Negative

52

13.5

Ki-67 index, %

  

   < 14

189

49.1

   ≥ 14

196

50.9

Luminal subtype

  

 Luminal-A-like

112

29.1

 Luminal-B-like

273

70.9

Recurrence score

  

   ≤ 25

165

42.9

    > 25

220

57.1

  1. IDC invasive ductal carcinoma, ER estrogen receptor, PR progesterone receptor
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European Journal of Medical Research

ISSN: 2047-783X

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