The incidence of the X-linked progressive muscular dystrophies in Tuscany from 1966 to 1974
Pizzi, A.; Taiuti, R.; Calandi, C.; Adami-Lami Conti, C.; Ghezzi, M.; Fratiglioni, L.; Marconi, G.
Rivista di Patologia Nervosa E Mentale 102(2): 49-55
1981
ISSN/ISBN: 0035-6433 PMID: 7201669 Document Number: 171384
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 method was 7,97 X 10(-6). These data practically correspond to those reported by other AA. 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.
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