Cardiovascular risk prediction: from classical statistical methods to machine learning approaches

Michela Sperti1, Marta Malavolta1, Federica Staunovo Polacco1

  • 1Department of Mechanical and Aerospace Engineering, PolitoBio MedLab, Polytechnic University of Turin, Turin, Italy.

Insights

Machine learning models significantly enhance cardiovascular risk prediction compared to traditional scores by capturing complex, non-linear relationships. This review compares classical and machine learning approaches for better clinical decision-making.

Area of Science:

  • Cardiology
  • Medical Informatics
  • Data Science

Background:

  • Cardiovascular risk prediction scores are vital for primary and secondary prevention.
  • Traditional scores often assume linear relationships, limiting accuracy.
  • Machine learning (ML) offers potential for improved prediction by modeling non-linear data.

Purpose of the Study:

  • To review and compare classical statistical and ML-based cardiovascular risk scores.
  • To highlight the strengths and limitations of each approach for clinical application.
  • To provide physicians with a critical understanding of available risk prediction tools.

Main Methods:

  • Literature review of classical statistical and ML-based cardiovascular risk scores.
  • Comparative analysis of methodologies, accuracy, and clinical utility.
  • Discussion of non-linearity in cardiovascular risk factor modeling.

Main Results:

  • Classical scores have limitations due to linear assumptions.
  • ML techniques demonstrate superior ability to capture complex, non-linear patterns in cardiovascular data.
  • Both approaches have distinct advantages and drawbacks for risk stratification.

Conclusions:

  • ML-based scores show promise for enhancing cardiovascular risk prediction accuracy.
  • Understanding the differences between classical and ML scores is crucial for effective clinical implementation.
  • Further research is needed to optimize ML applications in cardiovascular disease prevention.

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