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Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.

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Autoimmune pancreatitis epidemiology and demographics

Introduction

Overview

Overview

Autoimmune pancreatitis is a world wide entitiy but it’s incidence has been found to be recently increased in Japan. In North America, 2.5% of pancreatoduodenectomies are done because of AIP being misdiagnosed as pancreatic cancer. The mean age of patients with AIP is 59 yr (range, 45–75 yr). In autoimmune pancreatitis, the male-to-female ratio was found to be 15:2. Autoimmune pancreatitis usually involves elderly male population.

Epidemiology and Demographics

Epidemiology and Demographics

Incidence:

  • Autoimmune pancreatitis is a world wide entitiy but it’s incidence has been found to be recently increased in Japan.[1][2][3]

Prevalence:

  • In Japan, the prevalence of autoimmune pancreatitis is estimated to be 0.82 per 100 000 inhabitants.
  • In North America, 2.5% of pancreatoduodenectomies are done because of AIP being misdiagnosed as pancreatic cancer.

Age:

  • The mean age of patients with AIP is 59 yr (range, 45–75 yr).

Gender:

  • In autoimmune pancreatitis, the male-to-female ratio was found to be 15:2.
  • Autoimmune pancreatitis usually involves elderly male population.[4][5][6]
References

References

  1. ↑ Finkelberg DL, Sahani D, Deshpande V, Brugge WR (2006). “Autoimmune pancreatitis”. N. Engl. J. Med. 355 (25): 2670–6. doi:10.1056/NEJMra061200. PMID 17182992.
  2. ↑ Okazaki K (2003). “Autoimmune pancreatitis is increasing in Japan”. Gastroenterology. 125 (5): 1557–8. PMID 14628815.
  3. ↑ Kim KP, Kim MH, Lee SS, Seo DW, Lee SK (2004). “Autoimmune pancreatitis: it may be a worldwide entity”. Gastroenterology. 126 (4): 1214. PMID 15057766.
  4. ↑ Okazaki K, Uchida K, Chiba T (2001). “Recent concept of autoimmune-related pancreatitis”. J. Gastroenterol. 36 (5): 293–302. PMID 11388391.
  5. ↑ Horiuchi A, Kawa S, Hamano H, Hayama M, Ota H, Kiyosawa K (2002). “ERCP features in 27 patients with autoimmune pancreatitis”. Gastrointest. Endosc. 55 (4): 494–9. PMID 11923760.
  6. ↑ Kawa S, Ota M, Yoshizawa K, Horiuchi A, Hamano H, Ochi Y, Nakayama K, Tokutake Y, Katsuyama Y, Saito S, Hasebe O, Kiyosawa K (2002). “HLA DRB10405-DQB10401 haplotype is associated with autoimmune pancreatitis in the Japanese population”. Gastroenterology. 122 (5): 1264–9. PMID 11984513.

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Iqra Qamar M.D.[2]