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Relation between hospital HIV/AIDS caseload and mortality among persons with HIV/AIDS in Canada
1British Columbia Centre for Excellence in HIV/AIDS, St. Paul's Hospital.
Insights
Higher hospital caseloads for HIV/AIDS patients in Canada correlate with lower in-hospital mortality rates. This suggests high-volume facilities effectively manage complex cases, improving patient outcomes.
Area of Science:
- Epidemiology
- Public Health
- Infectious Diseases
Background:
- HIV/AIDS remains a significant public health concern requiring effective hospital management strategies.
- Understanding the impact of hospital volume on patient outcomes is crucial for optimizing care delivery.
Purpose of the Study:
- To investigate the relationship between the number of Human Immunodeficiency Virus/Acquired Immunodeficiency Syndrome (HIV/AIDS) admissions and in-hospital mortality in Canadian hospitals.
- To determine if hospital caseload influences patient survival rates for HIV/AIDS.
Main Methods:
- A descriptive, population-based study analyzing hospital discharge abstracts from all Canadian hospitals admitting HIV/AIDS patients between 1987 and 1994.
- Inclusion criteria covered patients with diagnostic codes for HIV infection or AIDS, and positive serological or viral culture findings.
Main Results:
- Over 38,000 HIV/AIDS admissions were recorded across 513 Canadian hospitals during the study period.
- Hospitals with 100+ annual HIV/AIDS admissions reported 36% lower mortality compared to those with fewer than 1 annual admission.
- Factors associated with increased mortality included lower-volume hospitals, longer hospital stays, older age, male sex, and advanced disease stage.
Conclusions:
- An inverse relationship exists between hospital caseload and in-hospital mortality for HIV/AIDS patients in Canada.
- High-volume hospitals appear to manage seriously ill HIV/AIDS patients more effectively, contributing to better outcomes.
Objective:
To assess the relation between HIV/AIDS hospital caseload and mortality in Canada.
Design:
Descriptive, population-based study.
Setting:
All hospitals in Canada that admitted any patients with HIV or AIDS between Mar. 31, 1987, and Apr. 1, 1994.
Patients:
All patients with a diagnostic code on their hospital discharge abstract for HIV infection, AIDS, or with positive serological or viral culture findings for HIV (International Classification of Diseases, 9th revision, 042, 043, 044 or 795.8).
Main Outcome Measure:
In-hospital mortality.
Results:
Over the study period, 38,075 admissions attributed to HIV/AIDS (33,380 of men and 4695 of women) were recorded in 513 Canadian hospitals. Of these hospitals, 230 (45%) had fewer than 1 admission per year of patients with HIV/AIDS; 200 (39%) had between 1 and 9; 68 (13%) had between 10 and 99; and 15 (3%) had 100 or more. HIV/AIDS-related admissions ending in death were independently associated with the patient being admitted to lower-volume hospitals, being hospitalized for longer periods of time, and being older, male and at a more advanced stage of disease. During the study period, hospitals with 100 or more admissions per year reported 36% lower mortality among patients with HIV/AIDS than those that had fewer than 1 admission per year.
Conclusion:
There is an inverse relation between hospital caseload and in-hospital mortality among patients with HIV/AIDS in Canada. We attribute this association at least in part to the propensity of high-volume hospitals to deal more effectively with seriously ill patients with HIV/AIDS.