Table 4.

Multivariate analysis for OS in treatment-naïve patients, WHO 2008 blast-based subgroups

Variable	P	HR	95% CI for HR
WHO 2008 (CMML-1 vs CMML-2)	.0182	0.757	0.601	0.954
Hemoglobin concentration	<.0001	0.864	0.820	0.910
FAB subtype (MDS vs MP)	<.0001	0.517	0.414	0.645
CPSS cytogenetic risk
High vs low	<.0001	2.428	1.796	3.282
Intermediate vs low	.3465	1.170	0.844	1.623
Age (<70 y vs ≥70 y)	.0078	0.740	0.593	0.924