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Tropical Australian Health-Data Linkage Shows Excess Mortality Following Severe Infectious Disease Is Present in the
Oyelola A Adegboye1,2, Emma S McBryde2, Damon P Eisen2,3
1World Health Organization Collaborating Center for Vector-Borne and Neglected Tropical Diseases, College of Public Health, Medical and Veterinary Sciences, James Cook University, Townsville 4811, Australia.
Background:
In this study, we aimed to assess the risk factors associated with mortality due to an infectious disease over the short-, medium-, and long-term based on a data-linkage study for patients discharged from an infectious disease unit in North Queensland, Australia, between 2006 and 2011.
Methods:
Age-sex standardised mortality rates (SMR) for different subgroups were estimated, and the Kaplan-Meier method was used to estimate and compare the survival experience among different groups.
Results:
Overall, the mortality rate in the hospital cohort was higher than expected in comparison with the Queensland population (SMR: 15.3, 95%CI: 14.9-15.6). The long-term mortality risks were significantly higher for severe infectious diseases than non-infectious diseases for male sex, Indigenous, residential aged care and elderly individuals.
Conclusion:
In general, male sex, Indigenous status, age and comorbidity were associated with an increased hazard for all-cause deaths.
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