1162 / 1851
0 12 24 36 48 60
Time after treatment (months)
0
20
40
60
80
100
Loco-regional control (%)
P=0.0003
65%
75%
6 Fx
5 Fx
All
Failure
5 Fx 588 192
6 Fx 617 142
DAHANCA 6 & 7
Effect of N-status on loco-regional control
N0,N1
0 12 24 36 48 60
Time after treatment (months)
0
20
40
60
80
100
Loco-regional control (%)
n.s.
41%
37%
6 Fx
5 Fx
All
Failure
5 Fx 141 59
6 Fx 133 64
N2,N3