Table 1 Basic patient information.

From: Correlation between family history and characteristics of breast cancer

 

Number of patients

Percentage

Age at diagnosis (years)

Age range

18–89

Median age

52.7

Primary tumor stage

T0

765

7.3

T1

2842

26.9

T2

6099

57.8

T3

691

6.6

T4

152

1.4

Lymph node stage

N0

6406

60.7

N1

2499

23.7

N2

880

8.3

N3

764

7.2

TNM stage

0

761

7.2

I

2039

19.3

II

5776

54.8

III

1949

18.5

IV

24

0.2

Histologic grade

I

370

3.5

II

8009

75.9

III

2170

20.6

ER/PR status

Positive

7848

74.5

Negative

2692

25.5

HER2 status

Positive

1487

14.1

Negative

9062

85.9

Ki-67 status

High

6703

63.5

Low

3846

36.5

Subtypes

Luminal A

2433

23.1

Luminal B

5415

51.3

HER2

847

8.0

TNBC

1854

17.6