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Table 5 Comparisons of clinicopathological characteristics between the BCT and non-BCT group in 1:1 matched case–control analysis

From: Breast conserving therapy for central breast cancer in the United States

 

Non-BCT

BCT

P-value

 

No

%

No

%

 

Year of diagnosis

    

 < 0.001

 2010

478

17.30

420

15.20

 

 2011

420

15.20

426

15.50

 

 2012

500

18.10

436

15.80

 

 2013

480

17.40

437

15.90

 

 2014

442

16.00

483

17.50

 

 2015

437

15.90

555

20.10

 

Age

    

0.114

 < 45

233

8.50

244

8.90

 

 45–59

1035

37.50

1101

39.90

 

 60–79

1489

54.00

1412

51.20

 

Race

    

0.527

 White

2202

79.90

2169

78.70

 

 Black

254

9.20

274

9.90

 

 Others

301

10.90

314

11.40

 

Marital

    

0.287

 Married

1713

62.10

1671

60.60

 

 Single

405

14.70

446

16.20

 

 Divorced

639

23.20

640

23.20

 

Grade

    

0.669

 Grade I

585

21.20

569

20.60

 

 Grade II

1360

49.30

1406

51.00

 

 Grade III

805

29.20

775

28.10

 

 Grade IV

7

0.30

7

0.30

 

T stage

    

0.722

 T1

1692

61.40

1676

60.80

 

 T2

918

33.30

948

34.40

 

 T3

85

3.10

79

2.90

 

 T4

62

2.20

54

2.00

 

N stage

    

0.547

 N0

1760

63.80

1799

65.30

 

 N1

843

30.60

815

29.60

 

 N2

108

3.90

107

3.90

 

 N3

46

1.70

36

1.30

 

ER status

    

0.579

 Negative

375

13.60

360

13.10

 

 Positive

2382

86.40

2397

86.90

 

PR status

    

0.409

 Negative

636

23.10

662

24.00

 

 Positive

2121

76.90

2095

76.00

 

HER-2 status

    

0.458

 Negative

2316

84.00

2337

84.80

 

 Positive

441

16.00

420

15.20