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Do general and multiple sclerosis-specific quality of life instruments differ?

Fraser Moore1, Christina Wolfson, Lubo Alexandrov

  • 1Department of Neurology, Jewish General Hospital, Montreal, QC, Canada.

The Canadian Journal of Neurological Sciences. Le Journal Canadien Des Sciences Neurologiques
|March 25, 2004
PubMed
Summary
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Quality of life instruments, whether general or disease-specific, are well-received by multiple sclerosis patients. No significant differences were found in their clinical utility or patient preference.

Area of Science:

  • Neurology
  • Rehabilitation Medicine
  • Health Outcomes Research

Background:

  • Traditional outcome measures in multiple sclerosis (MS) studies lack quality of life (QoL) insights.
  • The comparative utility and patient preference for disease-specific versus general QoL instruments in MS remain unclear.

Purpose of the Study:

  • To evaluate the feasibility, patient preference, and comparative utility of different QoL instruments in an MS population.
  • To determine if longer, disease-specific instruments offer advantages over shorter, general ones for assessing MS patient QoL.

Main Methods:

  • A cross-sectional study administered a mailed questionnaire combining SF-36, MSQOL-54, and EuroQol EQ-5D to MS patients.
  • Assessed instrument feasibility, patient preference, score correlations with disease severity, and odds ratios against the Expanded Disability Status Scale (EDSS).

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Main Results:

  • All three QoL instruments were well-received; over 75% of patients preferred the combination.
  • No substantial differences were observed between the general and disease-specific instruments.
  • Significant variability existed in patient disability and perceived QoL despite similar QoL scores across instruments.

Conclusions:

  • QoL instruments are user-friendly and accepted by MS patients, irrespective of length.
  • General and disease-specific QoL instruments demonstrate no clinically significant differences in utility for MS.
  • These instruments capture aspects of QoL beyond patient-reported disability or disease perception.