Table 2

Odds ratios

AgeMutationCasesControlsOdds ratioa (95% CI)
<40BRCA1+9 (39%)11 (1.6%)42.4 (15–119.6)
BRCA2+1 (4%)8 (1.2%)6.5 (0.8–55.6)
No mutation13673
40–49BRCA1+40 (47%)12 (1.1%)90.8 (44.3–186.3)
BRCA2+6 (7%)11 (0.9%)14.9 (5.2–42.2)
No mutation401090
≥50BRCA1+54 (20%)9 (0.6%)53.0 (25.8–109.2)
BRCA2+37 (14%)11 (0.7%)29.7 (14.9–59.3)
No mutation1821609
  • a Compared with no mutation.