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. Author manuscript; available in PMC: 2017 Sep 6.
Published in final edited form as: J Am Coll Cardiol. 2013 Mar 26;61(21):2142–2150. doi: 10.1016/j.jacc.2013.02.043

Table 4.

Mortality at three years after ICD implantation among subgroups categorized by acute and chronic HF burdens

Acute HF burden 0 Hospital days
from admission to implantation		 1–7 Hospital days
from admission to
implantation		 8+ Hospital days
from admission to
implantation
Chronic HF burden
0 Prior HF hospitalizations 22% (N=31,685) 34% (N=17,581) 50% (N=3,697)
1–2 Prior HF hospitalizations 35% (N=7,332) 50% (N=4,459) 59% (N=957)
3+ Prior HF hospitalizations 54% (N=559) 69% (N=555) 61% * (N=149)
*

The survival times are censored observations