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Abstract
Background and Objectives患者的低个人的社会经济地位(SES) are at a greater risk of unfavorable health outcomes. However, the association between neighborhood socioeconomic deprivation and health outcomes for patients with neurologic disorders has not been studied at the population level. Our objective was to determine the association between neighborhood socioeconomic deprivation and 30-day mortality and readmission after hospitalization for various neurologic conditions.
MethodsThis was a retrospective study of nationwide Medicare claims from 2017 to 2019. We included patients older than 65 years hospitalized for the following broad categories based on diagnosis-related groups (DRGs): multiple sclerosis and cerebellar ataxia (DRG 058–060); stroke (061–072); degenerative nervous system disorders (056–057); epilepsy (100–101); traumatic coma (082–087), and nontraumatic coma (080–081). The exposure of interest was neighborhood SES, measured by the area deprivation index (ADI), which uses socioeconomic indicators, such as educational attainment, unemployment, infrastructure access, and income, to estimate area-level socioeconomic deprivation at the level of census block groups. Patients were grouped into high, middle, and low neighborhood-level SES based on ADI percentiles. Adjustment covariates included age, comorbidity burden, race/ethnicity, individual SES, and sex.
ResultsAfter exclusions, 905,784 patients were included in the mortality analysis and 915,993 were included in the readmission analysis. After adjustment for age, sex, race/ethnicity, comorbidity burden, and individual SES, patients from low SES neighborhoods had higher 30-day mortality rates compared with patients from high SES neighborhoods for all disease categories except for multiple sclerosis: magnitudes of the effect ranged from an adjusted odds ratio of 2.46 (95% CI 1.60–3.78) for the nontraumatic coma group to 1.23 (95% CI 1.19–1.28) for the stroke group. After adjustment, no significant differences in readmission rates were observed for any of the groups.
DiscussionNeighborhood SES is strongly associated with 30-day mortality for many common neurologic conditions even after accounting for baseline comorbidity burden and individual SES. Strategies to improve health equity should explicitly consider the effect of neighborhood environments on health outcomes.
Glossary
- ADI=
- area deprivation index;
- CMS=
- Centers for Medicare and Medicaid Services;
- DRGs=
- diagnosis-related groups;
- ICD =
- International Classification of Diseases ;
- OR=
- odds ratio;
- SES=
- socioeconomic status
Footnotes
Go toNeurology.org/Nfor full disclosures. Funding information and disclosures deemed relevant by the authors, if any, are provided at the end of the article.
Submitted and externally peer reviewed. The handling editor was Associate Editor Rebecca Burch, MD.
- ReceivedJune 17, 2022.
- Accepted in final formJanuary 10, 2023.
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