The prevalence of COVID-19 infection in patients with multiple sclerosis (MS): a systematic review and meta-analysis

Abdorreza Naser Moghadasi1, Omid Mirmosayyeb2,3, Mahdi Barzegar3

  • 1Multiple Sclerosis Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran.

Abstract

Insights

The pooled prevalence of COVID-19 infection in multiple sclerosis (MS) patients is 4%. Hospitalization rates were higher in MS patients with COVID-19, with 10% hospitalized and 4% of those dying.

Area of Science:

  • Epidemiology
  • Infectious Diseases
  • Neurology

Background:

  • COVID-19 prevalence varies globally, necessitating specific population studies.
  • Multiple Sclerosis (MS) is a chronic neurological disease affecting immune responses.
  • Understanding COVID-19 impact on MS patients is crucial for clinical management.

Purpose of the Study:

  • To estimate the pooled prevalence of COVID-19 infection in patients with Multiple Sclerosis (MS).
  • To analyze hospitalization and mortality rates associated with COVID-19 in MS patients.

Main Methods:

  • Systematic review and meta-analysis of studies up to April 2021.
  • Searched multiple databases including PubMed, Scopus, EMBASE, Web of Science, and Google Scholar.
  • Included MeSH and text words for COVID-19 and Multiple Sclerosis (MS) variants.

Main Results:

  • Analyzed 12 articles from an initial 1466, evaluating 101,462 patients.
  • The pooled prevalence of suspected COVID-19 in MS patients was 4% (95% CI: 3-4%).
  • Hospitalization rate was 10% (95% CI: 7-12%), and mortality among hospitalized MS patients was 4% (95% CI: 1-6%).

Conclusions:

  • The overall pooled prevalence of COVID-19 infection among MS patients is estimated at 4%.
  • MS patients with COVID-19 exhibited a higher hospitalization rate compared to the general population.
  • Findings highlight the importance of monitoring and managing COVID-19 in MS patient cohorts.

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