| Study Evaluation Criteria |
| C1. Was the research question from the study focused? |
| C2. Was randomization of the participants towards the interventions done? |
| C3. In conclusion, was there accountability of the participants? |
| C4. Was blinding done for the following: - The participants? - The investigators? - Results analyzers? |
| C5. Were the study groups similar at the start of the trial? |
| C6. Was there a similarity in the level of care among the study groups and the participants? |
| C7. Was a comprehensive report on the effects of the interventions done? |
| C8. Was there a report on the precision of the effect of treatment or the estimate of the intervention? |
| C9. Were the safety and efficacies of the implantable cardioverter defibrillators identified? |
| C10. Was there compatibility between the population and the results? |
| C11. Was there a benefit in the application of implantable cardioverter defibrillators compared to those without? |
