From: Risk of breast cancer among daughters of mothers with diabetes: a population-based cohort study
Number of breast cancer cases | ||||
---|---|---|---|---|
Family history of breast cancer | Observed | Expected | SIR | 95% CI |
Yes | 696 | 488 | 1.43 | (1.32 to 1.54) |
No | 7,260 | 8,716 | 0.83 | (0.81 to 0.85) |