Table 1 Descriptive characteristics by locoregional recurrence status, including women with a primary diagnosis between the years of 1975 and 2007

From: Progression of breast cancer following locoregional ipsilateral recurrence: importance of interval time

 

Locoregional recurrences ( N =552)

No locoregional recurrences ( N =4502)

 

N(%)

N(%)

Age at diagnosis (years)

49

163 (31.59)

1206 (29.20)

50–59

156 (30.23)

1079 (26.13)

60–69

96 (18.60)

1019 (24.67)

70

101 (19.57)

826 (20.00)

Mean follow-up (years)

Time from primary to death (s.d.)

10.35 (7.50)

12.16 (8.57)

Tumour side

Left

260 (47.10)

2267 (50.63)

Right

253 (45.83)

2094 (46.51)

Unknown

39 (7.07)

141 (3.13)

Menopausal status

Pre

200 (36.23)

1415 (31.43)

Peri

56 (10.14)

288 (6.40)

Post

296 (53.62)

2799 (62.17)

Family history

First degree

57 (10.33)

518 (11.51)

Second degree

38 (6.88)

306 (6.80)

None

417 (75.54)

3092 (68.68)

First and second degree

14 (2.54)

93 (2.07)

Third degree

0 (0.00)

21 (0.47)

Missing

26 (4.71)

472 (10.48)

No. of pregnancies

0

105 (22.11)

716 (22.16)

1–2

212 (44.63)

1395 (43.18)

3–4

118 (24.84)

855 (26.46)

>4

39 (8.21)

243 (7.52)

Missing

1 (0.21)

22 (0.68)

Tumour size at diagnosis (cm)

<2

107 (19.38)

1507 (33.47)

2–3

144 (26.09)

1122 (24.92)

>3

301 (54.53)

1873 (41.60)

Invasive grade

Grade 1

38 (6.70)

622 (13.43)

Grade 2

218 (38.45)

1724 (37.22)

Grade 3

202 (35.63)

1470 (31.74)

Missing

109 (11.78)

816 (17.62)

Invasive type

Ductal not otherwise specified

434 (78.62)

3580 (79.52)

Lobular

67 (12.14)

456 (10.13)

Other

5 (0.91)

72 (1.60)

Missing

46 (8.33)

394 (8.75)

Oestrogen receptor status

Negative

171 (30.98)

1052 (23.37)

Positive

330 (59.78)

3029 (67.28)

Missing

51 (9.24)

421 (9.35)

Progesterone receptor status

Negative

259 (46.92)

1709 (37.96)

Positive

230 (41.67)

2318 (51.49)

Missing

63 (11.41)

475 (10.55)

HER2 status

Negative

223 (40.40)

1970 (43.76)

Positive

70 (12.68)

525 (11.66)

Missing

259 (46.92)

2007 (44.58)

Operation type

Mastectomy

249 (45.11)

2487 (55.24)

Breast conservation

302 (54.71)

2011 (44.67)

Other surgery

1 (0.18)

4 (0.09)

Chemotherapy

No

438 (79.35)

3446 (76.54)

Yes

114 (20.65)

1056 (23.46)

Radiotherapy

No

299 (54.17)

2449 (54.40)

Yes

253 (45.83)

2053 (45.60)

Endocrine therapy

No

370 (67.03)

2599 (57.73)

Yes

182 (32.97)

1903 (42.27)

No. of examined lymph nodes

Mean (s.d.)

25.14 (8.71)

23.76 (8.99)

No. of positive lymph nodes

0

165 (29.89)

2076 (46.11)

1–3

153 (27.72)

1204 (26.74)

4–10

68 (12.32)

383 (8.51)

>10

81 (14.67)

255 (5.66)

Missing

85 (15.40)

584 (19.97)

BC-specific death

Noa

190 (34.42)

3422 (76.01)

Yes

362 (65.58)

1080 (23.99)

  1. Abbreviation: BC=breast cancer.
  2. aIncluding 242 for whom cause of death was unknown.