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Ulcerative proctitis in central Sweden 1965-1983. A population-based epidemiological study.
Digestive Diseases and Sciences
|January 1, 1991
Summary
Ulcerative proctitis incidence increased threefold between 1965-1983, with higher rates in urban males. This epidemiological study suggests ulcerative proctitis is distinct from extensive ulcerative colitis.
Area of Science:
- Gastroenterology
- Epidemiology
Background:
- Ulcerative proctitis is traditionally classified as a subgroup of ulcerative colitis.
- Population-based epidemiological data for ulcerative proctitis are scarce.
Purpose of the Study:
- To investigate the epidemiology of ulcerative proctitis.
- To determine if ulcerative proctitis is a distinct disease entity compared to extensive ulcerative colitis.
Main Methods:
- Analysis of 1065 diagnosed cases of ulcerative proctitis from 1965-1983 in the Uppsala Health Care Region.
- Examination of incidence rates by sex, urban/rural location, and age groups over time.
Main Results:
- Males predominated (1.4:1 ratio).
- Annual incidence rates increased threefold (2.8 to 6.6 per 10^5) during the study period.
- Higher incidence observed in urban compared to rural areas, affecting individuals over 14 years old.
Conclusions:
- Epidemiological trends and characteristics suggest ulcerative proctitis is a specific disease.
- The etiology of ulcerative proctitis may differ from that of extensive ulcerative colitis.