110 / 1498
Event Free Survival by Treatment Arm
(ITT population; N=683)
HR: 0.78
95% CI: 0.57-1.08
N at risk
Rituximab
338
302
283
269
261
249
242
204
23
13
12
12
1
0
Observation
342
308
283
275
261
245
234
198
34
20
18
17
3
0
U Yäger et al. ICML 2013
0
10
20
30
40
50
60
70
80
90
100
Time [months]
0
3
6
9 12 15 18 21 24 27 30 33 36 39 42 45 48 51 54 57 60 63 66 69 72 75 78 81
p = 0.067
80.1%
76.5%
Rituximab
maintenance
Observation
%