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Comorbidity increases the risk of hospitalizations in multiple sclerosis

Ruth Ann Marrie1, Lawrence Elliott2, James Marriott2

  • 1From the Departments of Internal Medicine (R.A.M., J.M., M.C., A.T., N.Y.) and Community Health Sciences (R.A.M., L.E.), University of Manitoba, Winnipeg, Canada. rmarrie@hsc.mb.ca.

Neurology
|December 26, 2014
PubMed
Abstract

Insights

Comorbidity significantly increases hospitalization rates in multiple sclerosis (MS) patients. Managing these conditions may reduce hospital admissions for individuals with MS.

Area of Science:

  • Neurology
  • Public Health
  • Epidemiology

Background:

  • Multiple sclerosis (MS) is a chronic neurological disease.
  • Comorbidity is prevalent in the MS population.
  • Understanding hospitalization drivers in MS is crucial for healthcare management.

Purpose of the Study:

  • To compare hospitalization rates between individuals with MS and a matched general population cohort.
  • To evaluate the association between comorbidity and hospitalization rates in the MS population.

Main Methods:

  • Utilized population-based administrative data from Manitoba, Canada (2007-2011).
  • Included 4,875 persons with MS and 24,533 matched controls.
  • Employed general linear models to analyze hospitalization rates (all-cause, non-MS-related, MS-related) adjusted for covariates.

Main Results:

  • The MS population experienced a 1.5-fold higher overall hospitalization rate compared to controls.
  • Comorbidity was linked to a 2-fold increased risk of non-MS-related hospitalizations in the MS cohort.
  • Comorbidity did not significantly affect MS-related hospitalization rates.

Conclusions:

  • Comorbidity is a significant risk factor for all-cause hospitalizations in individuals with MS.
  • Effective prevention and management of comorbidities may lead to reduced hospitalizations in the MS population.

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