678-679 / 2351
Overall Survival and DFS
80
90
100
Overall survival
100
Disease-free survival
Hazard Ratio: 0.83 (95% CI: 0.62-1.12)
50
60
70
HR: 0.88 (95% CI: 0.65 - 1.19)
P=0.0015 for non-inferiority of LP
50
60
70
80
90
10
20
30
40
Larynx preservation
Surgery
Median, 44
mo
Median, 25
mo
10
20
30
40
Larynx preservation
Surgery
(years)
0 2 4 6 8 10 12 14 16
0
O N Number of patients at risk :
81 94 49 36 26 14 9 5 3
83100 62 47 27 17 8 4 1
Surgery
LP
(years)
0 2 4 6 8 10 12 14 16
0
O N Number of patients at risk :
88 94 37 25 16 6 5 1 0
Surgery
88100 47 32 19 10 5 2 1
Preservation
Lefebvre JL, et al. ASCO 2004: Abstract 5531.