Stamina updates and refines the epidemiology of myasthenia gravis in France

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Using the French National Health Data System (SNDS), the Stamina study analysed information on patients hospitalised for myasthenia gravis or on long-term care for this condition between 2008 and 2020. The results of the study show:

  • a prevalence of the disease in France of 34.2 per 100,000 inhabitants (i.e. 22,979 patients) and an incidence of 2.5 per 100,000 in 2019 (13,912 patients), higher figures than previously estimated,
  • an average patient age of 58, with a quarter of patients aged 75 and over,
  • a slight over-representation of women,
  • most exacerbations and myasthenic attacks occurred within a year of diagnosis,
  • higher all-cause mortality than a control population (HR = 1.82), especially in men.

 

Epidemiology of myasthenia gravis in France: A retrospective claims database study (STAMINA). Salort-Campana E, Laforet P, de Pouvourville G et al. Rev Neurol (Paris). 2023 Nov 7:S0035-3787(23)01105-0.

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