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Table 1 Characteristics of patients and treatments in all groups

From: Partial axillary lymph node dissection inferior to the intercostobrachial nerves complements sentinel node biopsy in patients with clinically node-negative breast cancer

Parameters

SLNB

PALND

ALND

Statistics

P

(n = 72)

(n = 158)

(n = 59)

(F or X2)

Age

   

0.391

0.677

 Mean, y

51.68 ± 9.68

52.06 ± 9.90

53.15 ± 10.01

  

 Range, y

29 ~ 73

25 ~ 82

35 ~ 80

  

Menopause

   

1.305

0.521

 Yes

37 (51.4 %)

73 (46.2 %)

32 (54.2 %)

  

 No

35 (48.6 %)

85 (53.8 %)

27 (45.8 %)

  

Family History

   

1.412

0.494

 No

61 (84.7 %)

142 (90.0 %)

53 (89.8 %)

  

 Cancer (Including BC)

11 (15.3 %)

16 (10.0 %)

6 (10.2 %)

  

  Quadrant

   

10.416

0.237

 Areolar

5 (6.9 %)

18 (11.4 %)

8 (13.6 %)

  

 Outer upper

45 (62.5 %)

83 (52.5 %)

26 (44.1 %)

  

 Outer lower

17 (23.6 %)

32 (20.3 %)

12 (20.3 %)

  

 Inner lower

3 (4.2 %)

13 (8.2 %)

9 (15.2 %)

  

 Inner upper

2 (2.8 %)

12 (7.6 %)

4 (6.8 %)

  

Operation

   

6.913

0.141

 Mastectomy

54 (75.0 %)

129 (81.6 %)

42 (71.2 %)

  

 Tumorectomy

13 (18.1 %)

27 (17.1 %)

14 (23.7 %)

  

 Breast Reconstruction

5 (6.9 %)

2 (1.3 %)

3 (5.1 %)

  

Diameter

2.61 ± 1.04

2.50 ± 1.00

2.67 ± 1.00

0.686

0.504

Pathological Types

   

12.749

0.546

 IDC

47 (65.3 %)

96 (60.8 %)

40 (67.8 %)

  

 ILC

4 (5.5 %)

13 (8.2 %)

2 (3.4 %)

  

 DCIS

9 (12.5 %)

24 (15.2 %)

5 (8.5 %)

  

 Other Types

12 (16.7 %)

25 (15.8 %)

12 (20.3 %)

  

Histological Grade

   

7.125

0.129

 I

15 (20.8 %)

43 (27.2 %)

23 (39.0 %)

  

 II

36 (50.0 %)

64 (40.5 %)

24 (40.7 %)

  

 III

21 (29.2 %)

51 (32.3 %)

12 (20.3 %)

  

Node Metastasis

   

145.677

0.000

 No

72 (100.0 %)

110 (69.6 %)

0 (0.0 %)

  

 Yes

0 (0.0 %)

48 (30.4 %)

59 (100.0 %)

  

Cancer Thrombosis

   

3.034

0.219

 No

47 (65.3 %)

88 (55.7 %)

30 (50.8 %)

  

 Yes

25 (34.7 %)

70 (44.3 %)

29 (49.2 %)

  

Estrogen Receptor

   

16.285

0.000

 Negative

28 (38.9 %)

69 (43.7 %)

42 (71.2 %)

  

 Positive

44 (61.1 %)

89 (56.3 %)

17 (28.8 %)

  

Progesterone Receptor

   

5.770

0.056

 Negative

40 (55.6 %)

88 (55.7 %)

43 (72.9 %)

  

 Positive

32 (44.4 %)

70 (44.3 %)

16 (27.1 %)

  

Her2

   

17.787

0.000

 Negative

62 (86.1 %)

137 (86.7 %)

37 (62.7 %)

  

 Positive

10 (13.9 %)

21 (13.3 %)

22 (37.3 %)

  

Ki67

   

0.010

0.995

 Negative

53 (73.6 %)

116 (73.4 %)

43 (72.9 %)

  

 Positive

19 (26.4 %)

42 (26.6 %)

16 (27.1 %)

  

P53

   

1.497

0.473

 Negative

41 (56.9 %)

77 (48.7 %)

32 (54.2 %)

  

 Positive

31 (43.1 %)

81 (51.3 %)

27 (45.8 %)

  

Clinical Stage

   

92.884

0.000

 0

9 (12.5 %)

14 (8.9 %)

0 (0.0 %)

  

 I

22 (30.6 %)

49 (31.0 %)

0 (0.0 %)

  

 IIA

41 (56.9 %)

51 (32.3 %)

16 (27.1 %)

  

 IIB

0 (0.0 %)

44 (27.8 %)

43 (72.9 %)

  

Clinicopathological Subtypes

   

32.593

0.000

 Luminal A

37 (51.4 %)

76 (48.1 %)

16 (27.1 %)

  

 Luminal B Ki67+

13 (18.1 %)

27 (17.1 %)

7 (11.9 %)

  

 Luminal B Her2+

6 (8.3 %)

9 (5.7 %)

3 (5.1 %)

  

 Her2 Over-Expression

4 (5.5 %)

12 (7.6 %)

19 (32.2 %)

  

 TNBC

12 (16.7 %)

34 (21.5 %)

14 (23.7 %)

  

Chemotherapy Protocols

   

84.222

0.000

 No

6 (8.3 %)

15 (9.5 %)

5 (8.5 %)

  

 CMF

1 (1.4 %)

8 (5.1 %)

0 (0.0 %)

  

 CAF or AC

20 (27.8 %)

26 (16.5 %)

0 (0.0 %)

  

 CEF or EC

18 (25.0 %)

36 (22.8 %)

0 (0.0 %)

  

 TC or TP

23 (31.9 %)

37 (23.3 %)

14 (23.7 %)

  

 TAC or AC-T

4 (5.6 %)

36 (22.8 %)

40 (67.8 %)

  

Chemotherapy Cycle

   

72.874

0.000

 0

6 (8.3 %)

15 (9.5 %)

5 (8.5 %)

  

 4

19 (26.4 %)

26 (16.5 %)

0 (0.0 %)

  

 6

43 (59.7 %)

81 (51.2 %)

14 (23.7 %)

  

 8

4 (5.6 %)

36 (22.8 %)

40 (67.8 %)

  

Targeted Therapy

   

4.201

0.122

 No

71 (98.6 %)

152 (96.2 %)

54 (91.5 %)

  

 Yes

1 (1.4 %)

6 (3.8 %)

5 (8.5 %)

  

Radiotherapy

   

26.425

0.000

 No

54 (75.0 %)

100 (63.3 %)

19 (32.2 %)

  

 Yes

18 (25.0 %)

58 (36.7 %)

40 (67.8 %)

  

Endocrine Therapy

   

20.478

0.002

 No

16 (22.1 %)

46 (29.1 %)

33 (55.9 %)

  

 TAM

22 (30.6 %)

49 (31.0 %)

9 (15.3 %)

  

 LHRH

12 (16.7 %)

17 (10.8 %)

5 (8.5 %)

  

 AI

22 (30.6 %)

46 (29.1 %)

12 (20.3 %)

  
  1. SLNB sentinel lymph node biopsy, PALND partial axillary lymph node dissection, ALND axillary lymph node dissection, BC breast cancer, IDC invasive ductal carcinoma, ILC invasive lobular carcinoma, DCIS ductal carcinoma in situ, TNBC triple negative breast cancer, CMF cyclophosphamide + methotrexate + 5fluorouracil, CAF cyclophosphamide + doxorubicin + 5fluorouracil, AC doxorubicin + cyclophosphamide, CEF cyclophosphamide + epirubicin + 5fluorouracil, EC epirubicin + cyclophosphamide, TC docetaxel + cyclophosphamide, TP docetaxel + cisplatin, TAC docetaxel + doxorubicin + cyclophosphamide, AC-T doxorubicin + cyclophosphamide follow docetaxel, TAM tamoxifen, LHRH luteinising-hormone-releasing hormone, AI aromatase inhibitors. All nodes would be histopathological diagnosed to detect macrometastasis