Document Detail

Incidence, mortality, and disease associations of pyoderma gangrenosum in the United Kingdom: a retrospective cohort study.
MedLine Citation:
PMID:  22534879     Owner:  NLM     Status:  MEDLINE    
Pyoderma gangrenosum (PG) is an important disease with significant complications. The objectives of this study were to determine incidence and mortality of PG and strength of reported associations. A retrospective cohort study was completed using computerized medical records from the General Practice Research Database, a large representative UK database. Patients with PG and three groups of age-, sex-, and practice-matched controls--general population, rheumatoid arthritis (RA), and inflammatory bowel disease (IBD) controls--were included in the study. Incidence and mortality were determined and validation undertaken to inform diagnostic accuracy. In all there were 313 people with the median age of 59 (interquartile range 41-72) years, and of them 185 (59%) were female. The adjusted incidence rate standardized to European standard population was 0.63 (95% confidence interval (CI) 0.57-0.71) per 100,000 person-years. The risk of death was three times higher than that for general controls (adjusted hazard ratio=3.03, 95% CI 1.84-4.73, P<0.001), 72% higher than that for IBD controls (adjusted hazard ratio=1.72, 95% CI 1.17-2.59, P=0.013), with a borderline increase compared with RA controls (adjusted hazard ratio=1.55, 95% CI 1.01-2.37, P=0.045). Disease associations were present in 110 (33%) participants: IBD, n=67 (20.2%); RA, n=39 (11.8%); and hematological disorders, n=13 (3.9%). To our knowledge, there are no previous population-based studies of the epidemiology of PG, an important disease with significantly increased mortality.
Sinéad M Langan; Richard W Groves; Tim R Card; Martin C Gulliford
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2012-04-26
Journal Detail:
Title:  The Journal of investigative dermatology     Volume:  132     ISSN:  1523-1747     ISO Abbreviation:  J. Invest. Dermatol.     Publication Date:  2012 Sep 
Date Detail:
Created Date:  2012-08-20     Completed Date:  2012-11-07     Revised Date:  2014-03-14    
Medline Journal Info:
Nlm Unique ID:  0426720     Medline TA:  J Invest Dermatol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  2166-70     Citation Subset:  IM    
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MeSH Terms
Aged, 80 and over
Arthritis, Rheumatoid / epidemiology
Databases, Factual / statistics & numerical data
Great Britain / epidemiology
Hematologic Diseases / epidemiology
Inflammatory Bowel Diseases / epidemiology
Middle Aged
Pyoderma Gangrenosum / epidemiology*,  mortality
Retrospective Studies
Young Adult
Grant Support
NIHR/CS/010/014//Department of Health

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