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. 2011 Jul;141(1):62-70.
doi: 10.1053/j.gastro.2011.03.048. Epub 2011 Mar 27.

Reductions in 28-day mortality following hospital admission for upper gastrointestinal hemorrhage

Colin Crooks  1 , Tim Card, Joe West
Affiliations

Reductions in 28-day mortality following hospital admission for upper gastrointestinal hemorrhage

Colin Crooks et al. Gastroenterology. 2011 Jul.

Abstract

Background & aims: It is unclear whether mortality from upper gastrointestinal hemorrhage is changing: any differences observed might result from changes in age or comorbidity of patient populations. We estimated trends in 28-day mortality in England following hospital admission for gastrointestinal hemorrhage.

Methods: We used a case-control study design to analyze data from all adults administered to a National Health Service hospital, for upper gastrointestinal hemorrhage, from 1999 to 2007 (n=516,153). Cases were deaths within 28 days of admission (n=74,992), and controls were survivors to 28 days. The 28-day mortality was derived from the linked national death register. A logistic regression model was used to adjust trends in nonvariceal and variceal hemorrhage mortality for age, sex, and comorbidities and to investigate potential interactions.

Results: During the study period, the unadjusted, overall, 28-day mortality following nonvariceal hemorrhage was reduced from 14.7% to 13.1% (unadjusted odds ratio, 0.87; 95% confidence interval: 0.84-0.90). The mortality following variceal hemorrhage was reduced from 24.6% to 20.9% (unadjusted odds ratio, 0.8; 95% confidence interval: 0.69-0.95). Adjustments for age and comorbidity partly accounted for the observed trends in mortality. Different mortality trends were identified for different age groups following nonvariceal hemorrhage.

Conclusions: The 28-day mortality in England following both nonvariceal and variceal upper gastrointestinal hemorrhage decreased from 1999 to 2007, and the reduction had been partly obscured by changes in patient age and comorbidities. Our findings indicate that the overall management of bleeding has improved within the first 4 weeks of admission.

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Figures

Figure 1
Figure 1
Flowchart of exclusions from study population.
Figure 2
Figure 2
Trends in age and comorbidity measured by grouped Charlson index (percentage of population shown). (A) Percentage of nonvariceal hemorrhage patients in each age band. (B) Percentage of nonvariceal hemorrhage patients in each comorbidity group. (C) Percentage of variceal hemorrhage patients in each age band. (D) Percentage of variceal hemorrhage patients in each comorbidity group.
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