| Study | Total | ||||||
---|---|---|---|---|---|---|---|---|
 | NL | UK | US |  |  | |||
 | N | % | N | % | n | % | N | % |
Age at diagnosis of breast cancer (years) | ||||||||
   < 45 | 40 | 5.2 | 36 | 4.6 | 6 | 1.9 | 82 | 4.4 |
   45 to 54 | 147 | 19.2 | 170 | 21.6 | 35 | 10.8 | 352 | 18.8 |
   55 to 64 | 231 | 30.2 | 256 | 32.6 | 108 | 33.3 | 595 | 31.7 |
   65 to 74 | 246 | 32.2 | 224 | 28.5 | 119 | 36.7 | 589 | 31.4 |
   75 to 84 | 91 | 11.9 | 92 | 11.7 | 47 | 14.5 | 230 | 12.3 |
   85 and over | 10 | 1.3 | 8 | 1.0 | 9 | 2.8 | 27 | 1.4 |
Age at diagnosis of endometrial cancer (years) | ||||||||
   < 55 | 72 | 9.4 | 94 | 12.0 | 24 | 7.4 | 190 | 10.1 |
   55 to 64 | 183 | 23.9 | 215 | 27.4 | 71 | 21.9 | 469 | 25.0 |
   65 to 74 | 277 | 36.2 | 238 | 30.3 | 138 | 42.6 | 653 | 34.8 |
   75 to 84 | 184 | 24.1 | 187 | 23.8 | 74 | 22.8 | 445 | 23.7 |
   85 and over | 49 | 6.4 | 52 | 6.6 | 17 | 5.2 | 118 | 6.3 |
Year of diagnosis of breast cancer | ||||||||
   1972 to 1979 | 37 | 4.8 | 60 | 7.6 | 33 | 10.2 | 130 | 6.9 |
   1980 to 1984 | 98 | 12.8 | 196 | 24.9 | 122 | 37.7 | 416 | 22.2 |
   1985 to 1989 | 163 | 21.3 | 376 | 47.8 | 147 | 45.4 | 686 | 36.6 |
   1990 to 1995 | 238 | 31.1 | 150 | 19.1 | 22 | 6.8 | 410 | 21.9 |
   1995 to 1999 | 152 | 19.9 | 4 | 0.5 | 0 | 0.0 | 156 | 8.3 |
   2000 to 2005 | 77 | 10.1 | 0 | 0.0 | 0 | 0.0 | 77 | 4.1 |
Year of diagnosis of endometrial cancer | ||||||||
   1978 to 1984 | 16 | 2.1 | 0 | 0.0 | 38 | 11.7 | 54 | 2.9 |
   1985 to 1989 | 63 | 8.2 | 112 | 14.3 | 143 | 44.1 | 318 | 17.0 |
   1990 to 1994 | 141 | 18.4 | 501 | 63.7 | 143 | 44.1 | 785 | 41.9 |
   1995 to 1999 | 257 | 33.6 | 173 | 22.0 | 0 | 0.0 | 430 | 22.9 |
   2000 to 2006 | 288 | 37.6 | 0 | 0.0 | 0 | 0.0 | 288 | 15.4 |
Extent of disease (breast cancer)a | ||||||||
   Localized | 362 | 47.3 | 317 | 40.3 | 198 | 61.1 | 877 | 46.8 |
   Regional extension | 295 | 38.6 | 150 | 19.1 | 121 | 37.4 | 566 | 30.2 |
   Metastatic disease | 15 | 2.0 | 4 | 0.5 | 5 | 1.5 | 24 | 1.3 |
   Unknown | 93 | 12.2 | 315 | 40.1 | 0 | 0.0 | 408 | 21.8 |
Interval between breast and endometrial cancers (years) | ||||||||
   < 1 | 35 | 4.6 | 47 | 6.0 | 34 | 10.5 | 116 | 6.2 |
   1 to < 3 | 192 | 25.1 | 135 | 17.2 | 126 | 38.9 | 453 | 24.2 |
   3 to < 5 | 150 | 19.6 | 134 | 17.1 | 73 | 22.5 | 357 | 19.0 |
   5 to < 10 | 231 | 30.2 | 326 | 41.5 | 78 | 24.1 | 635 | 33.9 |
   10 to 29 | 157 | 20.5 | 144 | 18.3 | 13 | 4.0 | 314 | 16.8 |
Morphological type of endometrial cancer | ||||||||
   Endometrioid adenocarcinomab | 636 | 83.1 | 666 | 84.7 | 278 | 85.8 | 1580 | 84.3 |
   Serous or clear cellc | 64 | 8.4 | 24 | 3.1 | 20 | 6.2 | 108 | 5.8 |
   Carcinosarcomad | 37 | 4.8 | 56 | 7.1 | 15 | 4.6 | 108 | 5.8 |
   Sarcomae | 26 | 3.4 | 19 | 2.4 | 9 | 2.8 | 54 | 2.9 |
   Not known | 2 | 0.3 | 21 | 2.7 | 2 | 0.6 | 25 | 1.3 |
All patients | 765 | 100.0 | 786 | 100.0 | 324 | 100.0 | 1875 | 100.0 |