589 / 1840
40
50
60
70
80
90
100
Age <= 40
p<0.01
40
50
60
70
80
90
100
Age 41-50
p=0.02
Local failure by age: boost vs no boost
years
0 1 2 3 4 5 6 7 8 +
0
10
20
30
years
0 1 2 3 4 5 6 7 8 +
0
10
20
30
60
70
80
90
100
60
70
80
90
100
Age 51-60
p=0.07
Age >60
p>0.1
years
0 1 2 3 4 5 6 7 8 +
0
10
20
30
40
50
years
0 1 2 3 4 5 6 7 8 +
0
10
20
30
40
50
Boost
No boost