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The distribution of multiple sclerosis in Sardinia
Rivista Di Patologia Nervosa E Mentale
|January 1, 1977
Summary
Multiple Sclerosis (MS) incidence is highest in Southern Italy, particularly Sardinia, with higher rates in women and cooler, low-socioeconomic areas. Early onset MS often presents with initial symptom resolution.
Area of Science:
- Epidemiology
- Neurology
- Public Health
Background:
- Multiple Sclerosis (MS) exhibits significant geographical variations in incidence.
- Previous studies indicated lower MS rates in Southern Italy compared to other regions.
Purpose of the Study:
- To determine the incidence and prevalence of Multiple Sclerosis (MS) in Sardinia.
- To investigate epidemiological factors associated with MS in this specific Italian region.
Main Methods:
- A prevalence study was conducted on "prevalence day", October 21st, 1971.
- Data collected included demographic, geographic, socioeconomic, and clinical information.
- Statistical analysis was performed to identify correlations between MS and various factors.
Main Results:
- Sardinia showed the highest MS incidence in Southern Italy (12.48/100,000), significantly exceeding Campania (3.3) and Puglia (4.0).
- A notable female predominance was observed (15.88 women vs. 9.03 men per 100,000).
- Higher incidence correlated with cool, humid climates, low socioeconomic status, and smaller communities (<5,000 inhabitants).
Conclusions:
- Sardinia presents a unique epidemiological profile for MS, distinct from other Southern Italian regions.
- Environmental and socioeconomic factors appear to play a role in MS distribution within Sardinia.
- The observed early age of onset and bimodal age-specific curves warrant further investigation.