Table 1

Patient characteristics

All survey respondersPatients with magnetsPatients without magnetsp=(Magnets vs no magnets)
Gender84% Male86% Male77% MaleNS
Age (years)69±1168±10.770±9.5NS
Ischaemic aetiology67%70%56%0.02
Duration of ICD exposure945 (2.9±2.5)734 (2.9±2.6)211 (2.7±2.3)NS
Secondary prevention60%62%62%NS
  • *Duration of ICD exposure expressed as total in years, and as mean±SD.

  • CRT-D, cardiac resynchronisation therapy defibrillators; ICD, implantable cardioverter defibrillator; NS, not significant.