Table 3. . Univariate analysis of overall survival.

Univariate analysis of survival	Hazard ratio	95% CI	p-value
High-intensity vs 10-day decitabine	0.640	0.404–1.014	0.0576
Low-intensity vs 10-day decitabine	1.610	0.971–2.669	0.0646
Favorable cyto risk vs adverse	0.377	0.152– 0.935	0.0352
Intermediate cyto risk vs adverse	0.647	0.481– 0.869	0.0039
70+ years vs <70 years	1.704	1.296–2.240	0.0001
Karnofsky score ≤60 vs 90–100	2.530	1.615– 3.965	<0.0001
Co-morbidity index 3+ vs 0–2	1.393	1.055– 1.840	0.0195