2470-2471 / 2953
62% (95% CI 48-73)
87% (95% CI 79-92)
0.50
0.75
1.00
N0 Planned radical RT status
FFS by RT status: Node-negative cohort
HR 0.33
(95% CI 0.18-0.61)
0.00
0.25
121
112
(5)
101
(3)
61
(6)
37
(5)
19
(2)
8
(0)
0
(0)
+RT
59
48
(11)
39
(8)
29
(3)
13
(4)
4
(3)
2
(1)
2
(0)
-RT
N(risk)
0
12
24
36
48
60
72
84
Time from randomisation (months)
-RT
+RT
Note – landmark analysis of patients FFS event-free at 6m = same