1510 / 1983
Mutation carriers (n=27) and their controls (n=54)
0.0
0.2
0.4
0.6
0.8
1.0
Contra-lateral Free Interval
Time (months)
Probabilities
0 24 48 72 96 120 144 168 192 216 240
Sporadic controls
BRCA1/2 mutation carriers
p = 0.001
Number at risk
54
53
49
44
42
37
32
22
13
10
5
27
23
21
20
17
11
9
4
2
1