Validity of the newly developed 4-item ANXiety-scale in patients with an implantable cardioverter defibrillator: A 12-month follow-up study

Subclinical anxiety symptoms are associated with risk of impaired mental and physical health status, ventricular tachyarrhythmias and mortality, in patients with an implantable cardioverter defibrillator (ICD). This study evaluates the validity of the brief and new 4-item Anxiety Scale (ANX4) and its predictive value in relation to health status 12-months post ICD implantation.A total of 288 ICD patients completed the ANX4 questionnaire. Factor...