1493 / 1544
RTOG 0617: Local Tumor Failure
18-Month
Local
Progression
Rate
25.1%
34.3%
Local Progression Rate (%)
0
25
50
75
100
Months since Randomization
0
3
6
9 12 15 18
Patients at Risk
Standard
High dose
213
206
205
197
187
170
165
134
137
105
113
80
85
62
Fail
65
81
HR=1.37 (0.99, 1.89)
Total
213
206
p=0.0319
Standard (60 Gy)
High dose (74 Gy)