Dataset Information

Early death after discharge from emergency departments: analysis of national US insurance claims data.

ABSTRACT:

Objective

To measure incidence of early death after discharge from emergency departments, and explore potential sources of variation in risk by measurable aspects of hospitals and patients.

Design

Retrospective cohort study.

Setting

Claims data from the US Medicare program, covering visits to an emergency department, 2007-12.

Participants

Nationally representative 20% sample of Medicare fee for service beneficiaries. As the focus was on generally healthy people living in the community, patients in nursing facilities, aged ?90, receiving palliative or hospice care, or with a diagnosis of a life limiting illnesses, either during emergency department visits (for example, myocardial infarction) or in the year before (for example, malignancy) were excluded.

Main outcome measure

Death within seven days after discharge from the emergency department, excluding patients transferred or admitted as inpatients.

Results

Among discharged patients, 0.12% (12?375/10?093?678, in the 20% sample over 2007-12) died within seven days, or 10?093 per year nationally. Mean age at death was 69. Leading causes of death on death certificates were atherosclerotic heart disease (13.6%), myocardial infarction (10.3%), and chronic obstructive pulmonary disease (9.6%). Some 2.3% died of narcotic overdose, largely after visits for musculoskeletal problems. Hospitals in the lowest fifth of rates of inpatient admission from the emergency department had the highest rates of early death (0.27%)-3.4 times higher than hospitals in the highest fifth (0.08%)-despite the fact that hospitals with low admission rates served healthier populations, as measured by overall seven day mortality among all comers to the emergency department. Small increases in admission rate were linked to large decreases in risk. In multivariate analysis, emergency departments that saw higher volumes of patients (odds ratio 0.84, 95% confidence interval 0.81 to 0.86) and those with higher charges for visits (0.75, 0.74 to 0.77) had significantly fewer deaths. Certain diagnoses were more common among early deaths compared with other emergency department visits: altered mental status (risk ratio 4.4, 95% confidence interval 3.8 to 5.1), dyspnea (3.1, 2.9 to 3.4), and malaise/fatigue (3.0, 2.9 to 3.7).

Conclusions

Every year, a substantial number of Medicare beneficiaries die soon after discharge from emergency departments, despite no diagnosis of a life limiting illnesses recorded in their claims. Further research is needed to explore whether these deaths were preventable.

SUBMITTER: Obermeyer Z

PROVIDER: S-EPMC6168034 | biostudies-literature | 2017 Feb

REPOSITORIES: biostudies-literature

ACCESS DATA

Publications

Early death after discharge from emergency departments: analysis of national US insurance claims data.

Obermeyer Ziad Z Cohn Brent B Wilson Michael M Jena Anupam B AB Cutler David M DM

BMJ (Clinical research ed.) 20170201

<h4>Objective</h4> To measure incidence of early death after discharge from emergency departments, and explore potential sources of variation in risk by measurable aspects of hospitals and patients.<h4>Design</h4> Retrospective cohort study.<h4>Setting</h4> Claims data from the US Medicare program, covering visits to an emergency department, 2007-12.<h4>Participants</h4> Nationally representative 20% sample of Medicare fee for service beneficiaries. As the focus was on generally healthy people l ...[more]

PMID: 28148486

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Dataset Information

Early death after discharge from emergency departments: analysis of national US insurance claims data.

Objective

Design

Setting

Participants

Main outcome measure

Results

Conclusions

Publications

Early death after discharge from emergency departments: analysis of national US insurance claims data.

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