Hi medmax,
The European Collaborative-study on Inflammatory Bowel Disease
(EC-IBD) seems to be the most respected and quoted study in recent
journals. You'll find the geographic results in Tables 4 & 5 in the
following pdf document.
"There are many epidemiological studies of the incidence and
prevalence of Crohn?s disease from Europe and America. The problem,
however, is that most of the early studies were retrospective. They
used different study designs (for example criteria of disease
definition, case ascertainment, or the time period of investigation)
and, with few exceptions (Aberdeen, Copenhagen, Leiden, Stockholm,
Uppsala) were based upon the experience of specialised medical
centres. The data they provided on the risk of disease in the
population were confusing, and in some respects unreliable."
"To overcome this problem, a group of clinicians and epidemiologists
in Europe carried out an epidemiological survey of the incidence of
inflammatory bowel disease (EC-IBD study) in 20 centres across Europe
prospectively and simultaneously between 1991 and 1994. The project
was a Concerted Action project of the Commission of the European
Communities with the aim of investigating the north-south gradient in
the risk of disease (incidence) using a standard protocol for disease
definition, case ascertainment and data analysis. The study was
conducted in the population of defined geographical areas ranging from
Reykjavic, Iceland in the north to Heraklion, Greece in the south, and
included regional case reviews and site visits for the quality control
of data."
"The results of this study are presented in Table 5. They show that
the highest age and sex adjusted incidence rate for Crohn?s disease
(per 100,000) was in Amiens (NW France) and Maastricht (the
Netherlands), followed by Oslo (Norway), Iceland, and Copenhagen
(Denmark). The lowest reported incidence was from Ioannina (NW
Greece). The incidence was broadly similar for men and women."
"However, recent epidemiological studies conducted in different
regions of France, using a common methodology, showed that the
prevalence and incidence of Crohn?s disease tended to be as high in
southern parts of that country as in the previously considered ?high
incidence areas? of the North"
Table 4. : Standardised incidence of CIBD in Europe and in France
Table 5 Incidence rates (/100,000/year) and numbers included in the
EC-IBD study 1991-94144.
http://europa.eu.int/comm/food/fs/sc/scah/out38_en.pdf
>>>>>>Additional Helpful Links
Crohn's disease epidemiology statistics:
http://alan.kennedy.name/crohns/epistats.htm
The epidemiology of Crohn's disease:
http://alan.kennedy.name/crohns/epidem.htm
Crohn's disease
30,000 to 40,000 (about 1 in every 1,600 people)
Ulcerative colitis
100,000 (about 1 in 600 people)
http://www.ibdclub.org.uk/ibd_facts_ibd.html
* About 1 in 1600 people suffer from Crohn's disease.
* Some 3,000 new cases are diagnosed each year.
* Between 30,000 and 40,000 people in the United Kingdom live with the
condition. (Over 13,000 of these are members of NACC.)
* The most common age for diagnosis is between 15 and 25.
* Crohn's disease affects men and women equally.
* There is no national register of the number of people who have
Crohn's disease, although two extensive surveys are due to report
later this year. A population-based study in North East Scotland
(1992) showed that the number of new cases of Crohn's disease each
year in that area was rising and doubled between 1967 and 1987. In
1996, a study from South Glamorgan reported a doubling of the number
of children diagnosed with Crohn's disease between 1983 and 1993, and,
in 1999, a study of children in Scotland reported a 50% increase over
10 years in the incidence of Crohn's disease in children aged 16 or
under.
http://www.nacc.org.uk/actionweek_bgcrohns.asp
Crohn's disease
19.8/100,000
Ulcerative colitis
43.4/100,000
http://alan.kennedy.name/crohns/research/epidem/spain3.htm
Number of People affected by colitis:
http://www.family-friendly-fun.com/321/number-of-people-affected-by-colitis.html
Crohn's disease epidemiology statistics:
http://www.family-friendly-fun.com/115/crohn-s-disease-statistics.html
Epidemiology of IBD:
http://patients.uptodate.com/image.asp?file=gast_pix/epidem1.gif
Incidence and Prevalence of IBD:
http://patients.uptodate.com/image.asp?file=gast_pix/incide16.gif
"In the United States, in 1990, Crohn's disease cost between 1.0 and
1.2 billion dollars. Other countries with a high prevalence of Crohn's
disease are:- Canada, Sweden, Norway, Germany, United Kingdom,
Netherlands, Belgium, France, Switzerland, Austria, Spain, Portugal,
Greece, Italy, Ireland, Australia, New Zealand, and many countries of
Eastern and Central Europe. For a brief discussion of the worldwide
cost of Crohn's disease, see the page "The financial cost of Crohn's
disease."
http://alan.kennedy.name/crohns/welcome.htm
Who is affected by inflammatory bowel disease?
"The number of new patients diagnosed every year with ulcerative
colitis (the incidence of the disease) in the United States is 2 to 10
patients per 100,000 individuals. The incidence of Crohn's disease is
1 to 6 patients per 100,000 individuals.
The number of individuals with ulcerative colitis (the prevalence of
the disease) is estimated to be 35 to 100 patients per 100,000
individuals. The prevalence of Crohn's disease is 10 to 100 patients
per 100,000 individuals. Whereas the number of new cases of ulcerative
colitis has remained stable that of Crohn's disease is increasing."
http://www.cchs.net/health/health-info/docs/0300/0316.asp?index=4858
"In Western Europe and in the USA, UC has an incidence of
approximately 6 to 8 cases per 100.000 populations and an estimated
prevalence of approximately 70 to 150 per 100.000 populations."
://www.google.ca/search?q=cache:74knI-6WwewJ:www.orpha.net/static/GB/ulcerative_colitis.html+Incidence+and+prevalence+of+ulcerative+colitis+in+europe&hl=en
I hope I've been able to find what you need. If not, or if you have
any questions, please post a clarification request and I'll be happy
to reply (I will be out for the rest of the day but will respond as
soon as possible).
Thank you,
hummer
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