An investigation was carried out to establish the incidence of X-linked progressive muscular dystrophies in Tuscany from 1966 to 1974. 52 cases were identified, the incidence being 23,95 x 10-5 with reference to live-born males. The frequency of new mutations calculated according to Haldane's methjod was 7,97 x 10-6. These data practically correspond to those reported by other authors in Italy and abroad. There was also a remarkable variability in the incidence among individual districts with values ranging from 7,60 x 10-5 to 41,91 x 10-5. It was noticed that the number of new cases tended to decrease in the last few years.
|Number of pages||7|
|Journal||Rivista di Patologia Nervosa e Mentale|
|Publication status||Published - 1981|
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