Abstract | BACKGROUND: METHODS: We conducted a large case-control study based on inpatient records from Veterans Affairs hospitals in the United States for the period 1969-96. We identified 6,172 male patients with ulcerative colitis (age range 19-101 years, mean 57.4 years) and 4,498 male patients with Crohn disease (age range 18-99 years, mean 52.9 years). Each of these case patients was individually age- and race-matched to five other male veterans without recorded history of inflammatory bowel disease. We compared records of prior appendectomies in adulthood for the matched case-control sets using conditional logistic regression. RESULTS: CONCLUSIONS:
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Authors | M Frisch, G Gridley |
Journal | Scandinavian journal of gastroenterology
(Scand J Gastroenterol)
Vol. 37
Issue 10
Pg. 1175-7
(Oct 2002)
ISSN: 0036-5521 [Print] England |
PMID | 12408522
(Publication Type: Journal Article, Research Support, Non-U.S. Gov't)
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Topics |
- Adolescent
- Adult
- Age Factors
- Aged
- Aged, 80 and over
- Appendectomy
(adverse effects)
- Case-Control Studies
- Colitis, Ulcerative
(etiology, prevention & control)
- Crohn Disease
(etiology, prevention & control)
- Female
- Humans
- Male
- Middle Aged
- Odds Ratio
- Retrospective Studies
- Risk Factors
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