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. 2021 Jun 30;14(1):20200490. doi: 10.4022/jafib.20200490

Table 2. Baseline characteristics of studies included in our meta-analysis evaluating ICD shocks (appropriate or inappropriate).

Study ID Anderson et al Lee et al Enriquez et al Kutyifa et al Alvarez et al Cikes et al Oswald et al Brenyo et al
Design Retrospective Retrospective Retrospective Retrospective Retrospective Retrospective Prospective Retrospective
Study period 2006-2008 2004-2013 2008-2012 2008-2014 2004-2017 2006-2018 2005-2008 2006-2010
Sample size ICD: 17 No ICD: 6 ICD: 63 No ICD: 31 ICD: 62 No ICD: 36 ICD: 129 No ICD: 62 Of 62, 31 had ICD after cf-LVAD ICD: 387 No ICD: 99 Of 99, 52 had ICD after cf-LVAD ICD: 240 No ICD: 208 ICD only: 61 ICD only: 61
Follow up ICD: 214 days No ICD: 52 days 364 ± 295 days 253 ± 194 days 2.1 ± 1 years 401 days (median) 1.1 years (median) 365 + 321 days. 622 days
Patient age mean ± SD (years) - ICD: 53.9 No ICD: 42.9 ICD: 56.7 No ICD: 56.3 ICD: 57.4 No ICD: 54.9 ICD: 57 No ICD: 48.4 ICD: 54±12 No ICD: 50±14 ICD only: 50+12 ICD only: 55.75
Bridge to transplant 19 total ICD: 56 No ICD: 28 ICD: 55 No ICD: 33 ICD: 53 No ICD: 17 ICD: 226 No ICD: 55 ICD: 73% No ICD: 68.8% - ICD only: 72%
Device type HeartMate II Ventrassist, Heartware HeartMate II HeartMate II - HeartMate II HeartWare HVAD HeartMate 3 HeartMate II HeartWare HeartMate II Jarvik
Diabetes - ICD: 17.46% No ICD: 12.90 % - ICD: 43% No ICD: 29% ICD: 158 No ICD: 29 ICD: 22.1% No ICD: 17.8% - ICD only: 361%
Body mass index - - - ICD: 29.8 No ICD: 29.9 ICD: 28.5 No ICD: 27.2 ICD: 26.2 ± 4.8 No ICD: 25.3 ± 4.4 - -
INTERMACS profile ≤ 2 - ICD: 73% No ICD: 74.19% ICD: 45.2% No ICD: 66.7% ICD: 52.7% No ICD: 79% ICD: 12.1% No ICD: 49.49% ICD:31.6% No ICD: 56.7% - -
Ischemic cardiomyopathy - ICD: 31.74 % No ICD: 35.48% ICD: 30.7% No ICD: 58.3% ICD: 47% No ICD: 74.19% ICD: 39.8% No ICD: 48.48% ICD: 42.5% No ICD: 50% ICD only: 49% ICD only: 60.6%
Medications Beta- blockers ACE Inhibitors/ARB Antiarrhythmic medications ICD: 71.4% No ICD: 67.74% ICD: 65.07% No ICD: 67.74% ICD: 41.26% No ICD: 38.70% - ICD: 84% No ICD: 56.45 % ICD: 30% No ICD: 22.58 % - - ICD: 78.3% No ICD: 43.5% ICD: 49.3% No ICD: 49.7% - ICD only: 69% ICD only: 67% ICD only: 71% ICD only: 90% ICD only: 63.9% ICD only: 32.78%