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. Author manuscript; available in PMC: 2015 Dec 1.
Published in final edited form as: JACC Heart Fail. 2014 Oct 8;2(6):623–629. doi: 10.1016/j.jchf.2014.06.007

Table 1. Comorbidities Included in the Analysis.

<2 Comorbidities
(n = 830)
≥2 Comorbidities
(n = 2,518)


Control
(n = 388)
ICD
(n = 442)
Control
(n = 1,189)
ICD
(n = 1,329)
Smoking 221 (58) 211 (48) 1,047 (89) 1,165 (88)

Ischemic heart disease 55 (14) 77 (17) 877 (74) 1,041 (79)

Chronic kidney disease 15 () 17 (6) 484 (46) 524 (43)

Diabetes 20 (5) 33 (8) 462 (39) 476 (36)

Pulmonary disease 2 (1) 12 (3) 180 (26) 183 (28)

Atrial fibrillation 6 (2) 8 (2) 97 (14) 103 (16)

Peripheral vascular disease 0 (0) 0 (0) 20 (10) 18(10)

Values are n (%).

ICD = implantable cardioverter-defibrillator.