Table 2 Prevalence of CHEK2 1100delC in familial breast cancer according to age at diagnosis compared to controls (Familial Risk Cohort and Population-based cohort, age at diagnosis missing in 16 patients)
From: CHEK2 1100delC is prevalent in Swedish early onset familial breast cancer
Age at diagnosis, years | CHEK2 1100delC+/total tested | p-value1 |
|---|---|---|
<45 | 5/98 (5.1%) | 0.003 |
46–55 | 4/148 (2.7%) | 0.04 |
>55 | 1/188 (0.5%) | 1.0 |