Table 1

Background and tumor characteristics in relation to breast cancer mortality

Breast cancer deaths
 Persons
 Mortality ratea
Total
 414
 2,660
 1.9
Age at diagnosis


     50 to 54 years
 61
 345
 2.1
     55 to 59 years
 84
 578
 1.7
     60 to 64 years
 89
 570
 1.9
     65 to 69 years
 96
 661
 1.8
     70 to 74 years
 84
 506
 2.1
Socioeconomic statusb


     Low
 209
 1,335
 1.9
     High
 201
 1,308
 1.9
     Missing
 4
 17
 3.0
Recent mammography


     Yes
 205
 1,502
 1.6
     No
 149
 895
 2.0
     Missing
 60
 263
 3.0
Tumor size


     ≤ 10 mm
 33
 728
 0.5
     11 to 20 mm
 138
 1,153
 1.4
     21 to 50 mm
 196
 689
 3.8
     >50 mm
 38
 70
 9.8
     Missing
 9
 20
 7.6
Lymph node involvement


     0 lymph nodes
 128
 1,750
 0.8
     1 to 3 lymph nodes
 114
 546
 2.6
     >3 lymph nodes
 147
 269
 9.4
     Missing
 25
 95
 4.0
Grade


     1
 9
 272
 0.4
     2
 73
 742
 1.1
     3
 199
 764
 3.4
     Missing
 128
 882
 1.8
Histology


     Ductal
 301
 1,901
 1.9
     Lobular
 43
 309
 1.7
     Other
 60
 415
 1.7
     Missing
 10
 35
 4.3
Estrogen receptor (ER), progesterone receptor (PR) status


     ER-PR-
 100
 336
 4.2
     ER+PR-
 59
 286
 2.6
     ER-PR+
 21
 72
 3.9
     ER+PR+
 148
 1172
 1.5
     Missing
 86
 794
 1.3

aBreast cancer deaths per 100 person-years. bLow level includes blue-collar workers and low-level white-collar workers, whereas high level includes all other categories.

Rosenberg et al. Breast Cancer Research 2008 10:R78   doi:10.1186/bcr2145

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