In the Province of Pozna? on the point day Dec 31 1986 the prevalence of lateral amyotrophic sclerosis was found to be 1.9 per 100 thousand and the incidence in 1986 was 1.1 per 100 thousand. In relation to a similar study in 1965 these results are insufficient for accepting a change in the prevalence of amyotrophic lateral sclerosis in the last twenty years.
Adult Amyotrophic Lateral Sclerosis