The incidence and prevalence of inflammatory bowel disease in north Tees health district

Devlin, Hugh; Datta, Debapriya; Dellipiani, A. W.

doi:10.1007/bf02393573

Cited by 93 publications

(24 citation statements)

References 42 publications

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“…There were no significant associations between ulcerative colitis and the occurrence of paratuberculosis in cattle. The mean age of people [32][33][34][35][36][37]. The 95 % CI for the present study includes the prevalences reported in the other studies with the exception of the two earliest papers.…”

Section: Ulcerative Colitismentioning

confidence: 89%

Crohn's disease in people exposed to clinical cases of bovine paratuberculosis

et al. 2005

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Mycobacterium avium subspecies paratuberculosis (Map), the cause of ruminant paratuberculosis, has been proposed as the causative agent of Crohn's disease. The objective of this study was to determine whether exposure to clinical cases of bovine paratuberculosis was a risk factor for Crohn's disease. A questionnaire was sent to dairy farmers living on premises where the occurrence or absence of clinical cases of bovine paratuberculosis had previously been determined. The prevalence of Crohn's disease was found to be similar to that reported in other studies in the United Kingdom and showed no association with bovine paratuberculosis. There was, however, a univariate association with geographical region. Ulcerative colitis showed univariate associations with age, frequency of contact with cattle and with smoking. The results do not support the hypothesis that Map plays a causative role in the aetiology of Crohn's disease.

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Section: Ulcerative Colitismentioning

confidence: 89%

Crohn's disease in people exposed to clinical cases of bovine paratuberculosis

et al. 2005

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“…Population studies of IBDs exhibit a bimodal age distribution, with a peak onset in the 20s and a second smaller peak in the 50s and 60s [33][34][35]. The Vienna classification represents these peaks by dividing age at diagnosis into two groups: <40 and ≥ 40 years.…”

Section: Smoking and Age At Diagnosismentioning

confidence: 99%

The Role of Smoking in Crohn’s Disease as Defined by Clinical Variables

et al. 2007

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The development of Crohn's disease (CD) is related to an interaction of genetic and environmental factors, with tobacco smoking being one of the most commonly studied environmental factors. In 1998, the Vienna classification was created to define CD by using three accepted clinical variables: age at diagnosis, disease behavior, and disease location. In this qualitative systematic review, articles examining the relationship between smoking and CD, using variables outlined in the Vienna classification, were identified utilizing multiple health databases. Current smoking was found to be associated with late-onset CD (> or =40 years old) and current smokers were more likely to progress to stricturing or penetrating type CD than were nonsmoking patients. Conflicting evidence exists regarding the relationship between smoking with respect to CD disease location. The Vienna classification is an important tool in permitting comparisons and predicting clinical course among CD cases, especially when smoking status is taken into account.

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“…The impact of changing diagnostic practices cannot be ignored. Therefore it is important to register ulcerative colitis (UC) and Crohn's disease (CD) simultaneously (7)(8)(9)(10). Differences in incidence between regions could also to some extent be explained by whether mild cases are included (7,9,11).…”

mentioning

confidence: 99%

Epidemiology of Crohn's Disease in Western Norway

Haug

Schrumpf

Halvorsen

et al. 1989

Scandinavian Journal of Gastroenterology

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The incidence of Crohn's disease in western Norway was estimated in a prospective epidemiologic study during the years 1984 and 1985. The total population in the area was 807,000. Both inpatients and outpatients were included. Five hundred and fifty general practitioners and 12 hospitals participated in the study. A total of 86 patients were diagnosed, giving a mean annual incidence of 5.3 per 100,000. For patients between 15 and 19 years of age-specific incidence rate was 16.0 The M/F sex ratio was 0.9. In the same period 240 patients with ulcerative colitis were diagnosed (mean annual incidence, 14.8 per 100,000), giving a ratio of 2.8 between ulcerative colitis and Crohn's disease and an annual incidence of 20.1 per 100,000 for inflammatory bowel disease. Familial occurrence of IBD was found for 12% of the patients.

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The incidence and prevalence of inflammatory bowel disease in north Tees health district

Cited by 93 publications

References 42 publications

Crohn's disease in people exposed to clinical cases of bovine paratuberculosis

Crohn's disease in people exposed to clinical cases of bovine paratuberculosis

The Role of Smoking in Crohn’s Disease as Defined by Clinical Variables

Epidemiology of Crohn's Disease in Western Norway

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