Skip to main content

Table 1 Patient, tumour, and treatment characteristics in relation to development of metastasis after BC2

From: Prediction of outcome after diagnosis of metachronous contralateral breast cancer

 

First breast cancer, No (%)

Second breast cancer, No (%)

 

Metastasis

No metastasis

Metastasis

No metastasis

No = 723

No = 210

No = 513

No = 210

No = 513

Diagnosis

    

<1977

37 (18)

97 (19)

0

0

1977-1986

66 (31)

161 (31)

53 (25)

95 (19)

1987-1996

79 (38)

191 (37)

78 (37)

179 (35)

1997-2007

28 (13)

64 (12)

79 (38)

239 (47)

Age (years)

    

Median (range)

52 (27-85)

60 (30-90)

60 (32-92)

70 (32-98)

<50

94 (45)

123 (24)

50 (24)

34 (7)

≥50

116 (55)

390 (76)

160 (76)

479 (93)

Menopausal status

    

Premenopausal

100 (51)

132 (28)

29 (16)

32 (7)

Postmenopausal

96 (49)

336 (72)

148 (84)

440 (93)

Missing

14

45

33

41

Node status

    

N0

105 (53)

330 (72)

97 (50)

292 (73)

N+

92 (47)

130 (28)

96 (50)

106 (27)

Missing

13

53

17

115

Size (mm)

    

Median (range)

20 (1-90)

15 (1-100)

18 (1-110)

14 (1-90)

Missing

28

50

17

20

Surgery

    

Modified radical mastectomy

162 (78)

362 (71)

158 (75)

340 (66)

Partial mastectomy

44 (21)

149 (29)

45 (21)

161 (31)

No Surgery

1 (0.5)

0

6 (3)

12 (2)

Missing

3

2

1

0

Radiotherapy

    

No

56 (27)

213 (42)

122 (58)

360 (70)

Yes

153 (73)

293 (58)

87 (42)

152 (30)

Missing

1

7

1

1

Chemotherapy

    

No

172 (82)

473 (94)

178 (85)

491 (96)

Yes

37 (18)

32 (6)

31 (15)

21 (4)

Missing

1

8

1

1

Endocrine treatment No

158 (76)

391 (77)

132 (64)

296 (58)

Yes

51 (24)

114 (23)

74 (36)

215 (42)

Missing

1

8

4

2

  1. Abbreviations: No number, N+ lymph node metastases, N0 no lymph node metastases, node status lymph node status.