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Table 2 Clinical outcomes and arrhythmic events in the 3 groups of patients, stratified according to the time elapsed from last MI

From: Influence of time between last myocardial infarction and prophylactic implantable defibrillator implant on device detections and therapies. “Routine Practice” data from the SEARCH MI registry

 

Time from MI > 40 days and < 1,5 years

Time from MI ≥ 1,5 years and < 7 years

Time from MI ≥ 7 years

 

N = 158

N = 171

N = 314

Follow-Up, months

   

Median (IQR)

24 (15, 35)

22 (12, 34)

22 (11, 32)

Detection of at least 1 ventricular tachyarrhythmia (% ) §

33 (20.9%)

45 (26.3%)

104 (33.1%)

Delivery of at least 1 appropriate device therapy (ATP or shock) (%) §

27 (17.1%)

34 (19.9%)

82 (26.1%)

All cause mortality (%)

17 (10.8%)

19 (11.1%)

38 (12.1)

Cardiac mortality (%)

9 (5.7%)

8 (4.7%)

20 (6.4%)

SCD mortality (%)

3 (1.9% )

3 (1.8%)

9 (2.9%)

  1. § Significant difference between strata, p < 0,05.
  2. SCD = sudden cardiac death.