Heart failure & cardiomyopathiesCohort study

Clustering in Dilated Cardiomyopathy at Initial Evaluation: An Effective Tool for Clinical Stratification

Eur J Heart FailPublished

  • Retrospective cohort study
  • machine learning unsupervised clustering
  • external validation

Authors' conclusion

Using ML, baseline ECG variables were found to effectively identify two DCM subgroups differing in disease progression and genetic background.

Study context

Population
Patients with dilated cardiomyopathy at first cardiological evaluationexternal validation n = 160
Participants
409 patients
Exposure
CL2 vs CL1

Main finding

SCD/major ventricular arrhythmias

Hazard ratio

0.29

95% CI 0.13–0.67

CL2 vs CL1
HR 0.29 (95% CI 0.13–0.67)

As reported in the abstract

Observational data: associations, not effects.

Further findings

Pathogenic/likely pathogenic variants

P < 0.001

Original publication

Clustering in Dilated Cardiomyopathy at Initial Evaluation: An Effective Tool for Clinical Stratification. Eur J Heart Fail. Published 15 August 2025. doi:10.1002/ejhf.3780

Summarised from the published abstract; every number is checked against it