Abstract
The prevalence and incidence of multiple sclerosis (MS) in the city of Monreale, southern Italy were ascertained 10 years after a preliminary study in the same area. The study was undertaken in a population of 26,256 people. The patients were classified according to Poser’s criteria. The prevalence of MS on 31 December 1991 was 72.4 per 100,000 population. The incidence of MS for the period 1981–1991 was 3.3/100,000 per year. The mean period between onset and diagnosis of MS was 4.9 years for those patients found during this survey and 9.2 years for those in the first study. This study shows an increase of MS prevalence in Monreale city and a high incidence. The findings parallel the reduction of the lag time between onset and diagnosis.
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Received: 25 March 1997 Received in revised form: 30 June 1997 Accepted: 10 July 1997
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Savettieri, G., Salemi, G., Ragonese, P. et al. Prevalence and incidence of multiple sclerosis in the city of Monreale, Italy. J Neurol 245, 40–43 (1997). https://doi.org/10.1007/s004150050172
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DOI: https://doi.org/10.1007/s004150050172