HER2

58 (7.8)

173 (4.7)

Triple-negative

103 (13.9)

474 (12.8)

Unknown

122 (16.5)

531 (14.3)

Surgery

0.087

0.768

Breast-conserving

97 (13.1)

500 (13.5)

Mastectomy

644 (86.9)

3205 (86.5)

Radiotherapy

0.440

0.802

No

599 (80.8)

2,957 (79.8)

Yes

119 (16.1)

622 (16.8)

Unknown

23 (3.1)

126 (3.4)

Chemotherapy

6.622

0.086

No

117 (15.8)

713 (19.2)

Yes

586 (79.1)

2802 (75.6)

Unknown

38 (5.1)

190 (5.1)

Endocrinotherapy

7.101

0.029

No

245 (33.1)

1045 (28.2)

Yes

485 (65.5)

2604 (70.3)

Unknown

11 (1.5)

56 (1.5)