Usefulness of Bayesian graphical models for early prediction of disease progression in multiple sclerosis

R. Bergamaschi, A. Romani, S. Tonietti, A. Citterio, C. Berzuini, V. Cosi

Research output: Contribution to journalArticlepeer-review

Abstract

Previous studies of possible prognostic indicators for multiple sclerosis have been based on "classic" Cox's proportional hazards regression model, as well as on equivalent or simpler approaches, restricting their attention to variables measured either at disease onset or at a few points during follow-up. The aim of our study was to analyse the risk of reaching secondary progression in MS patients with a relapsing-remitting initial course, using two different statistical approaches: a Cox's proportional-hazards model and a Bayesian latent-variable model with Markov chain Monte Carlo methods of computation. In comparison with a standard statistical approach, our model is advantageous because, exploiting all the information gleaned from the patient as it is gradually made available, it is capable to detect even small prognostic effects.

Original languageEnglish
JournalNeurological Sciences
Volume21
Issue number8
Publication statusPublished - 2000

Keywords

  • Bayesian approach
  • Markov chain Monte Carlo method
  • Multiple sclerosis
  • Prognostic factors
  • Secondary progressive course

ASJC Scopus subject areas

  • Clinical Neurology
  • Neuroscience(all)
  • Psychiatry and Mental health
  • Dermatology

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