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Table 1 Clinical data of breast cancer patients

From: Indocyanine green combined with methylene blue versus methylene blue alone for sentinel lymph node biopsy in breast cancer: a retrospective study

 

ICG + MB (n = 136)

MB (n = 164)

P value

 

N

%

N

%

 

Tumor site

0.43

 Left breast

75

55.1

87

53.0

 

 Right breast

61

44.9

77

47.0

 

Tumor distribution

    

0.67

 Upper outer

48

35.3

61

37.2

 

 Lower outer

11

8.1

8

4.9

 

 Upper inner

35

25.7

42

25.6

 

 Lower inner

7

5.1

8

4.9

 

 Posterior nipple

1

0.7

4

2.4

 

 Right inner side

5

3.7

11

6.7

 

 Right outer side

11

8.1

18

11

 

 Directly above

8

5.9

10

6.1

 

 Directly below

10

7.4

2

1.2

 

Tumor size

    

0.15

 T1 (0-2 cm)

103

75.7

112

68.3

 

 T2 (2-5 cm)

33

24.3

52

31.7

 

BMI (Kg/m 2 )

    

0.26

 < 19

14

10.3

23

14.0

 

 19–25

89

65.4

99

60.4

 

 ≥ 25

33

24.3

42

25.6

 
  1. ICG Indocyanine green, MB Methylene blue, T Tumor, BMI Body mass index
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