Table 2 Characteristics of the GENESIS population according to the type of participant
From: GENESIS: a French national resource to study the missing heritability of breast cancer
Type of participant | Â | Year of birth | Age at breast cancer diagnosis (years) | Age at inclusion (years) | Interval between diagnosis and inclusion | |||
|---|---|---|---|---|---|---|---|---|
| Â | Â | Â | Â | Â | Â | By class | ||
|  |  |  |  |  | ≤4 years | 5-9 years | ≥10 years | |
| Â | N | mean (SD) [min, max] | mean (SD) [min, max] | mean (SD) [min, max] | mean (SD) | N (%) | N (%) | N (%) |
Index case | 1682 | 1950 (9.3) [1918, 1977] | 49.7 (9.3) [20, 80] | 59.0 (9.3) [31, 90] | 9.3 (7.4) | 559 (33Â %) | 480 (29Â %) | 643 (38Â %) |
Affected sister | 807 | 1949 (9.0) [1926, 1978] | 51.4 (8.7) [27, 77] | 59.5 (8.8) [30, 83] | 8.1 (6.4) | 297 (37Â %) | 249 (31Â %) | 258 (32Â %) |
Unaffected sister | 592 | 1952 (9.3) [1926, 1978] | Â | 57.0 (9.2) [30, 84] | Â | Â | Â | Â |
Control | 1411 | 1953 (10.0) [1926, 1991] | Â | 55.7 (9.9) [19, 83] | Â | Â | Â | Â |