From: Validation of death prediction after breast cancer relapses using joint models
French cohort | West Midlands | Netherlands | ||||
---|---|---|---|---|---|---|
(1989-1993) | (1996) | (2003-2006) | ||||
Variable | N=1067 | % | N=1196 | % | N=31075 | % |
Age | ||||||
Age ≤40 | 82 | 7.7 | 73 | 6.1 | 2126 | 6.8 |
Age [40-55] | 391 | 36.6 | 456 | 38.1 | 10681 | 34.4 |
Age >55 | 594 | 55.7 | 667 | 55.8 | 18268 | 58.8 |
Peritumoural vascular involvement | 285 | 26.7 | 460 | 38.5 | - | - |
Tumour size > 20 mm | 242 | 22.7 | 560 | 46.8 | 12365 | 39.8 |
Nodal involvement | 451 | 42.3 | 496 | 41.5 | 12588 | 40.5 |
Grade | ||||||
Grade I | 316 | 29.6 | 226 | 18.9 | 6565 | 21.1 |
Grade II | 488 | 45.7 | 526 | 44.0 | 13993 | 45.0 |
Grade III | 263 | 24.6 | 444 | 37.1 | 10517 | 33.8 |
Number of recurrent events | ||||||
None | 705 | 895 | 27231 | |||
1 | 301 | 240 | 3834 | |||
2 | 57 | 49 | 10 | |||
3 | 4 | 10 | 0 | |||
4 | 0 | 2 | 0 | |||
5-year survival | 89.1 | (87.3-91.0) | 76.6 | (74.2-79.0) | 85.5 | (85.1-85.9) |
10-year survival | 77.1 | (74.6-79.7) | 63.1 | (60.5-65.9) | - | |
15-year survival | 65.4 | (62.2-68.2) | 51.6 | (48.8-54.5) | - |