Basic Summary for Acute Appendicitis


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Main name of condition: Acute Appendicitis
Other names or spellings:


What is Acute Appendicitis?
  Brief description of Acute Appendicitis: Infection of the appendix
  Parent types of Acute Appendicitis: Appendix disorders, Viral diseases, Bacterial diseases, Acute infections
  Organs Affected by Acute Appendicitis: appendix
How many people get Acute Appendicitis?
  Incidence (annual) of Acute Appendicitis: 25 per 10,000 (age 10-17), 1-2 per per 10,000 (under 4)
  Incidence Rate of Acute Appendicitis: approx 1 in 400 or 0.25% or 680,000 people in USA [about data]
  Lifetime risk of Acute Appendicitis: 8.6% risk for males, 6.7% for females (Rothrock et al, 2000).
Who gets Acute Appendicitis?
  Geography Profile for Acute Appendicitis: Highest in USA and Europe, much less in Asia and Africa.
How serious is Acute Appendicitis?
  Deaths for Acute Appendicitis: 390 deaths reported in USA 1999 for appendix conditions (NVSR Sep 2001)
  Complications of Acute Appendicitis: see complications of Acute Appendicitis
What causes Acute Appendicitis?
  Causes of Acute Appendicitis: Appendicitis may occur after a viral infection in the digestive tract or when the tube connecting the large intestine and appendix is blocked by trapped stool. 1
  Class of Condition for Acute Appendicitis: viral, bacterial
  Causes of Acute Appendicitis: see causes of Acute Appendicitis
  Risk factors for Acute Appendicitis: see risk factors for Acute Appendicitis
What are the symptoms of Acute Appendicitis?
  Incubation period for Acute Appendicitis: usually 2 to 48 hours for acute appendicitis
  Seasonality of Acute Appendicitis: Mild seasonality, rising 10% in May to August.
  Symptoms of Acute Appendicitis: see symptoms of Acute Appendicitis
Can anyone else get Acute Appendicitis?
  Inheritance: see inheritance of Acute Appendicitis
How is it treated?
  Treatments for Acute Appendicitis: see treatments for Acute Appendicitis
  Prevention of Acute Appendicitis: see prevention of Acute Appendicitis
Society issues for Acute Appendicitis
  Hospitalization statistics for Acute Appendicitis: The following are statistics from various sources about hospitalizations and Acute Appendicitis:
  • 0.255% (32,544) of hospital consultant episodes were for acute appendicitis in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 91% of hospital consultant episodes for acute appendicitis required hospital admission in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 57% of hospital consultant episodes for acute appendicitis were for men in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 43% of hospital consultant episodes for acute appendicitis were for women in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 98% of hospital consultant episodes for acute appendicitis required emergency hospital admission in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 4.4days was the mean length of stay in hospitals for acute appendicitis in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 3days was the median length of stay in hospitals for acute appendicitis in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 28 was the mean age of patients hospitalised for acute appendicitis in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 67% of hospital consultant episodes for acute appendicitis occurred in 15-59 year olds in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 2% of hospital consultant episodes for acute appendicitis occurred in people over 75 in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 0% of hospital consultant episodes for acute appendicitis were single day episodes in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 0.25% (131,361) of hospital bed days were for acute appendicitis in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 0.035% (4,512) of hospital consultant episodes were for unspecified appendicitis in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 92% of hospital consultant episodes for unspecified appendicitis required hospital admission in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 51% of hospital consultant episodes for unspecified appendicitis were for men in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 49% of hospital consultant episodes for unspecified appendicitis were for women in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 96% of hospital consultant episodes for unspecified appendicitis required emergency hospital admission in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 3.7 days was the mean length of stay in hospitals for unspecified appendicitis in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 3 days was the median length of stay in hospitals for unspecified appendicitis in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 28 was the mean age of patients hospitalised for unspecified appendicitis in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 75% of hospital consultant episodes for unspecified appendicitis occurred in 15-59 year olds in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 2% of hospital consultant episodes for unspecified appendicitis occurred in people over 75 in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 0% of hospital consultant episodes for unspecified appendicitis were single day episodes in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • 0.03% (15,354) of hospital bed days were for unspecified appendicitis in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
  • Hospitalization statistics in Australia:
    • 0.46% (18,177) of hospital episodes were for appendicitis in public hospitals in Australia 2001-02 (Australian Hospital Data, AIHW, Australia, 2001-02)
    • 7% of hospitalisations for appendicitis were single day episodes in public hospitals in Australia 2001-02 (Australian Hospital Data, AIHW, Australia, 2001-02)
    • 86% of hospitalisations in public hospitals for appendicitis were by public patients in Australia 2001-02 (Australian Hospital Data, AIHW, Australia, 2001-02)
    • 14% of hospitalisations in public hospitals for appendicitis were by private patients in Australia 2001-02 (Australian Hospital Data, AIHW, Australia, 2001-02)
    • Hospitalisations for appendicitis at public hospitals occurred in 9.3 people per 10,000 population in Australia 2001-02 (Australian Hospital Data, AIHW, Australia, 2001-02)
    • 3.2 days was the mean length of stay in hospitals for appendicitis in public hospitals in Australia 2001-02 (Australian Hospital Data, AIHW, Australia, 2001-02)
    • Excluding same day episodes, 3.4 days was the mean length of stay in public hospitals for appendicitis in Australia 2001-02 (Australian Hospital Data, AIHW, Australia, 2001-02)
    • 0.23% (5,652) of private hospital episodes were for appendicitis in Australia 2001-02 (Australian Hospital Data, AIHW, Australia, 2001-02)
    • 1.6% of hospitalisations in private hospitals for appendicitis were single day episodes in Australia 2001-02 (Australian Hospital Data, AIHW, Australia, 2001-02)
    • 9.1% of hospitalisations in private hospitals for appendicitis were by public patients in Australia 2001-02 (Australian Hospital Data, AIHW, Australia, 2001-02)
    • 91% of hospitalisations in private hospitals for appendicitis were by private patients in Australia 2001-02 (Australian Hospital Data, AIHW, Australia, 2001-02)
    • Hospitalisations in private hospitals for appendicitis occurred in 2.9 people per 10,000 population in Australia 2001-02 (Australian Hospital Data, AIHW, Australia, 2001-02)
    • 3.2 days was the mean length of stay in private hospitals for appendicitis in Australia 2001-02 (Australian Hospital Data, AIHW, Australia, 2001-02)
    • Excluding same day episodes, 3.2 days was the mean length of stay in private hospitals for appendicitis in Australia 2001-02 (Australian Hospital Data, AIHW, Australia, 2001-02)
  • Hospitalization statistics in Australia:
    • Hospitalisations for acute appendicitis at public hospitals occurred in 7.3 people per 10,000 population in Australia 2001-02 (Australian Hospital Data, AIHW, Australia, 2001-02)
    • 3.5 days was the mean length of stay in public hospitals for acute appendicitis in Australia 2001-02 (Australian Hospital Data, AIHW, Australia, 2001-02)


Footnotes:
1. excerpt from Appendicitis: NIDDK

Last revision: April 9, 2003

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