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Life expectancy in patients attending multiple sclerosis clinics
A D Sadovnick1, G C Ebers, R W Wilson
1Multiple Sclerosis, University Hospital-UBC Site, Vancouver, Canada.
Neurology
|May 1, 1992
Summary
Multiple sclerosis (MS) patients experience a reduced life expectancy, with severe disability significantly increasing mortality risk. Overall, MS life expectancy is only 6-7 years less than the general population.
Area of Science:
- Neurology
- Epidemiology
- Public Health
Background:
- Multiple sclerosis (MS) diagnosis impacts patient considerations regarding life expectancy and life insurance.
- Understanding the precise impact of MS on longevity is crucial for patient care and financial planning.
Purpose of the Study:
- To examine and quantify life expectancy among patients diagnosed with multiple sclerosis.
- To analyze the relationship between MS disability severity and mortality risk.
Main Methods:
- A study was designed to analyze life expectancy in MS clinic patients.
- Standard actuarial methods were employed for data analysis, considering and excluding suicides.
- The Expanded Disability Status Score (EDSS) was used to measure MS disability severity.
Main Results:
- Severe MS disability (EDSS ≥ 7.5) is a significant risk factor for mortality, with case fatality ratios approximately 4 times higher than controls.
- Excluding suicides, mild to moderate MS disability (EDSS ≤ 7.0) showed increased case fatality ratios of 1.4 to 1.6 times compared to matched groups.
- Life tables indicate an overall reduction in life expectancy for MS patients by approximately 6 to 7 years compared to the non-MS insured population.
Conclusions:
- MS significantly impacts life expectancy, with disability severity being a key determinant of mortality risk.
- The findings provide valuable data for life insurance assessments and long-term care planning for individuals with MS.