Statistical Analysis Plan Defines ICD Insertion Based on Ventricular Scar for Left Ventricular Systolic Dysfunction

This publication is a statistical analysis plan rather than a report of clinical trial results. It outlines the pre-specified methods for analyzing data from a study involving patients with mild moderate left ventricular systolic dysfunction. The document details the planned statistical approach for evaluating the insertion of an Implantable Cardioverter Defibrillator based on the presence of ventricular scar or fibrosis.

The primary outcome is defined as a composite of sudden cardiac death or haemodynamically significant ventricular arrhythmia. This arrhythmia is specified as producing syncope or associated with hypotension (SBP<90mmHg) except directly associated with device implant procedure. Standard care serves as the comparator for this planned analysis.

Crucially, this document does not contain any reported outcomes, effect sizes, or statistical significance values. The sample size, follow-up duration, and setting are not reported within this text. Because this is a protocol for analysis, no safety data, adverse events, or discontinuations are presented here.

Clinicians should recognize that this text establishes the framework for future data interpretation rather than providing evidence of efficacy or safety. The absence of results means no conclusions regarding the benefit of the intervention can be drawn from this document alone. Further reporting of the trial results will be necessary to determine clinical relevance.