Table V.

Multivariable Model for Overall Survival

Variable	HR	95% CI	P
Treatment arm: FC vs. F	0.98	0.67–1.43	0.91
Age: 10 year increase	1.54	1.23–1.92	<0.001
Rai stage: II/III/IV vs. 0/I	1.68	1.07–2.65	0.02
Cytogenetic/molecular group:
del(17)(p13.1)	15.17	7.64–30.11	<0.0001
del(11)(q22.3)	2.23	1.27–3.93	0.005
+12 w/Notch1 mutation	2.1	1.08–4.10	0.03
Unmutated IGHV	2.27	1.35–3.83	0.002
Other (Reference)	---	---	---