Characteristic | Stockholm Breast Cancer Registry | Singapore Cancer Registry |
---|---|---|
Period of diagnosis | 1980 to 1999 | 1980 to 1999 |
Number of breast cancer cases | 17,090 | 10,287 |
   1980 to 1989 (%) | 7,932 (46) | 3,135 (30) |
   1990 to 1999 (%) | 9,148 (53) | 7,152 (70) |
Median age at diagnosis (years) | 62 | 50 |
   Standard deviation | 14 | 13 |
   Range (years) | 18 to 101 | 12 to 98 |
   Diagnosed ≤ 50 years old (%) | 4,247 (25) | 5,360 (52) |
   Diagnosed >50 years (%) | 12,843 (75) | 4,927 (48) |
Number of women with information on disease stagea (%) | 16,869 (99) | 6,569 (64) |
   1980 to 1989 |  |  |
Local cancer (%) | 6,047 (77) | 1,090 (48) |
Regional cancer (%) | 1,667 (21) | 961 (43) |
Distant cancer (%) | 165 (2) | 196 (9) |
   1990 to 1999 |  |  |
Local cancer (%) | 7,387 (82) | 2,283 (53) |
Regional cancer (%) | 1,358 (15) | 1,692 (39) |
Distant cancer (%) | 245 (3) | 347 (8) |
Estrogen receptor status | Â | Â |
   Positive | 9,874 (77) | Not available |
   Negative | 2,984 (33) | Not available |
Number of deaths (%) | 9,330 (55) | 4,782 (46) |
Number of breast cancer deaths (%) | 4,050 (24) | 2,684 (26) |