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Prognostic indicators in multiple sclerosis.

S Poser, W Poser, G Schlaf

    Acta Neurologica Scandinavica
    |November 1, 1986
    PubMed
    Summary
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    Multiple sclerosis (MS) mortality is linked to disease progression and initial symptoms. Progressive MS courses and early symptoms like paresis significantly increase excess death rates in patients.

    Area of Science:

    • Neurology
    • Epidemiology
    • Clinical Research

    Background:

    • Multiple sclerosis (MS) is a chronic neurological disease with variable prognosis.
    • Understanding factors influencing MS mortality is crucial for patient management and resource allocation.

    Purpose of the Study:

    • To analyze the impact of sex, age at onset, disease course, and initial symptoms on multiple sclerosis mortality.
    • To differentiate between overall mortality and MS-attributed mortality using excess death rates.

    Main Methods:

    • Prospective follow-up study of 1926 patients with multiple sclerosis over 4.9 years.
    • Calculation of mortality ratio and excess death rate to assess mortality.
    • Analysis of demographic and clinical factors influencing these mortality parameters.

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    Main Results:

    • Excess death rate, representing MS-attributed mortality, was comparable between sexes.
    • Higher age at onset was associated with a slightly increased excess death rate.
    • Progressive MS courses showed a significantly higher excess death rate.
    • Initial symptoms like diplopia and sensory disturbances were linked to lower excess death rates, while paresis and neurological deficits indicated higher rates.

    Conclusions:

    • Disease course and initial symptomatology are key determinants of excess mortality in multiple sclerosis.
    • Excess death rate provides a valuable metric for assessing MS-specific mortality risk.
    • Identifying high-risk patient groups based on initial presentation can inform prognosis and care strategies.