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Associations between socioeconomic status and place of residence with survival after aneurysmal subarachnoid haemorrhage

Nichols, L ORCID: 0000-0003-3711-993X, Gall, S ORCID: 0000-0002-5138-2526, Stankovich, J and Stirling, C ORCID: 0000-0003-2723-8302 2020 , 'Associations between socioeconomic status and place of residence with survival after aneurysmal subarachnoid haemorrhage' , Internal Medicine Journal , doi: 10.1111/imj.15044.

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Objectives: This study aims to understand early (Methods: A statewide population-based cohort of aSAH cases in Tasmania, Australia, was established from 2010-2014 utilising multiple overlapping sources. Clinical data were collected from medical records and the Tasmanian Death Registry, with area-level rurality and socioeconomic status geocoded to participants' residential address.Results: From a cohort of 237 (70% women, 36% disadvantaged, 38% rural) individuals over a 5-year period, 12-month mortality was 52.3% with 54.0% of these deaths occurring within 24 h post ictus. In univariable analysis of 12-month survival, outcome was not influenced by socioeconomic status but rural geographical location was associated with a non-significant increase in death (HR 1.22 95% CI 0.85-1.75) along with hypertension (HR 1.78 95% CI 1.07-2.98) and hypercholesterolemia (HR 1.70 95% CI 0.99-2.91). Multivariable analysis demonstrated a statistically significant increase in death to 12 months after aSAH for both hypertension (HR 1.81 95% CI 1.08-3.03) and hypercholesterolemia (HR 1.71 95% CI 1.00-2.94) but not socioeconomic status or geographic location.Conclusion: We found high early death in this population-based aSAH Australian population. Survival to 12 months after aSAH was not related to either geographical location or socioeconomic status but modifiable risk factors increased the risk of death.

Item Type: Article
Authors/Creators:Nichols, L and Gall, S and Stankovich, J and Stirling, C
Keywords: aneurysmal subarachnoid haemorrhage, time to treatment, inequalities
Journal or Publication Title: Internal Medicine Journal
Publisher: Blackwell Publishing Asia
ISSN: 1444-0903
DOI / ID Number: 10.1111/imj.15044
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