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Neuroepidemiology. 2005;25(1):15-8. Epub 2005 Apr 25.

Disability and mortality in a cohort of multiple sclerosis patients: a reappraisal.

Author information

1
Multiple Sclerosis Centre, Department of Clinical Neurology, Neurological Institute 'C. Mondino', Pavia, Italy. roberto.bergamaschi@mondino.it

Abstract

The aim of the study was to evaluate how the natural history of multiple sclerosis (MS) had changed over a 15-year period. We compared disability and mortality in a cohort of 83 MS patients hospitalised in the Neurological Institute of Pavia, northern Italy, from January 1, 1990, to December 31, 1991, with a similar cohort of 52 patients analysed in the past. After the follow-up, an unfavourable course (death or relevant disability) was observed in 41% of the patients in the new cohort, compared to 63.5% of the patients in the old one. The percentage of deceased patients was reduced from 25 to 6%. The analysis of the pooled data of the two cohorts indicates a recent tendency of firstly hospitalised patients having a shorter disease duration and a lower disability level, which could explain the relevant decrease both in mortality and disability. Finally, our findings confirmed that age at onset, early disability and a short interval between onset and secondary progression increase the risk of an unfavourable course.

PMID:
15855800
DOI:
10.1159/000085308
[Indexed for MEDLINE]

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