Characteristics

All patients

n = 41

No. (%)

RS < 18

n = 26

No. (%)

18 ≤ RS

n = 15

No. (%)

Median age, year (range)

54.6 (28 - 80)

51.8 (28 - 77)

59.7 (43 - 80)

Menopause

Yes

21 (51.2)

10 (38.5)

11 (73.3)

No

20 (48.8)

16 (61.5)

4 (26.7)

Surgery

Mastectomy

8 (19.5)

4 (15.4)

4 (26.7)

Breast conserving surgery

33 (80.5)

22 (84.6)

11 (73.3)

Tumor size

T < 2 cm

30 (73.2)

19 (73.1)

11 (73.3)

2 cm ≤ T < 5 cm

9 (22.0)

6 (23.1)

3 (20.0)

5 cm ≤ T

2 (4.8)

1 (3.8)

1 (6.7)

Node status

0

38 (92.7)

25 (96.2)

13 (86.7)

1 - 3

3 (7.3)

1 (3.8)

2 (13.3)

4-

0

0

0

PgR status

PgR < 20%

9 (22.0)

1 (3.8)

8 (53.3)

20% ≤ PgR

32 (78.0)

25 (96.2)

7 (46.7)

Ki-67 (local)

Ki-67 < 14%

11 (26.8)

8 (30.8)

3 (20.0)

14% ≤ Ki-67

30 (73.2)

18 (69.2)

12 (80.0)

Ki-67 (central)

Ki-67 < 14%

17 (41.5)

13 (50.0)

4 (26.7)

14% ≤ Ki-67

24 (58.5)

13 (50.0)

11 (73.3)