Statistics about Myasthenia Gravis

About statistics: This page presents a variety of statistics about Myasthenia Gravis. The term 'prevalence' of Myasthenia Gravis usually refers to the estimated population of people who are managing Myasthenia Gravis at any given time. The term 'incidence' of Myasthenia Gravis refers to the annual diagnosis rate, or the number of new cases of Myasthenia Gravis diagnosed each year. Hence, these two statistics types can differ: a short-lived disease like flu can have high annual incidence but low prevalence, but a life-long disease like diabetes has a low annual incidence but high prevalence. For more information see about prevalence and incidence statistics.

Prevalence and incidence statistics for Myasthenia Gravis: (see also prevalence and incidence page for Myasthenia Gravis)
  Prevalance of Myasthenia Gravis: about 5 per 100,000 to 14 per 100,000 (NWHIC)
  Prevalance Rate: approx 1 in 20,000 or 0.00% or 13,600 people in USA [about data]
  Prevalance of Myasthenia Gravis: Myasthenia gravis occurs in about five people per 100,000.¹
  Prevelance statistics about Myasthenia Gravis: The following statistics relate to the prevalence of Myasthenia Gravis:

146,892 people in the USA 1996 with myasthenia gravis²
5 to 14 people per 100,000 population have myasthenia gravis in the US (NIH, The National Women’s Health Centre, 2004)

Society statistics for Myasthenia Gravis
Hospitalization statistics for Myasthenia Gravis: The following are statistics from various sources about hospitalizations and Myasthenia Gravis:

0.014% (1,813) of hospital consultant episodes were for myasthenia gravis and other myoneural disorders in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
83% of hospital consultant episodes for myasthenia gravis and other myoneural disorders required hospital admission in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
45% of hospital consultant episodes for myasthenia gravis and other myoneural disorders were for men in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
69% of hospital consultant episodes for myasthenia gravis and other myoneural disorders were for women in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
31% of hospital consultant episodes for myasthenia gravis and other myoneural disorders required emergency hospital admission in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
12.6 days was the mean length of stay in hospitals for myasthenia gravis and other myoneural disorders in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
6 days was the median length of stay in hospitals for myasthenia gravis and other myoneural disorders in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
52 was the mean age of patients hospitalised for myasthenia gravis and other myoneural disorders in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
49% of hospital consultant episodes for myasthenia gravis and other myoneural disorders occurred in 15-59 year olds in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
20% of hospital consultant episodes for myasthenia gravis and other myoneural disorders occurred in people over 75 in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
22% of hospital consultant episodes for myasthenia gravis and other myoneural disorders were single day episodes in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
0.025% (13,301) of hospital bed days were for myasthenia gravis and other myoneural disorders in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)

'

Footnotes:
1. excerpt from MYASTHENIA GRAVIS: NWHIC
2. Rose and Mackay, 1998, The Autoimmune Diseases, Third Edition

Last revision: June 4, 2003

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