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Healthcare costs due to low back pain in the emergency department and inpatient setting in Sydney, Australia.


ABSTRACT:

Background

Low back pain is the leading cause of disability worldwide and a common presentation to emergency departments, often resulting in subsequent admissions to hospital. There have been several studies investigating the cost of low back pain to society, but few specific to the emergency department and inpatient setting, especially in Australia. The aim was to describe the cost of low back pain in Australian public hospital emergency departments, and inpatient settings, and explore healthcare costs associated with different care pathways.

Methods

In this retrospective observational study, we explored the costs associated with an episode of care for low back pain in adults that attended three emergency departments in Sydney between 1 July 2014 and 30 June 2019. Systematised Nomenclature of Medicine-Clinical Terms (SNOMED) diagnosis codes were used to identify episodes of care where the patients had been diagnosed with non-specific low back pain or lumbosacral radicular syndromes. Serious spinal pathologies were excluded. We determined the costs for different treatment pathways involving the ambulance service, emergency department and inpatient ward care. Hospital costs were adjusted for inflation to 2019 Australian dollars (AUD).

Findings

There were 12,399 non-serious low back pain episodes of care during the study period. 4006 (32%) arrived by ambulance and 2067 (17%) were admitted for inpatient care. The total costs of inpatient and emergency department care across the 5-year period were AUD$36.7 million, with a mean of AUD$2959 per episode of care. The mean cost for a patient who had a non-ambulance presentation to the emergency department and was discharged was AUD$584. Patients presenting to the emergency department via ambulance and were discharged had a mean cost of AUD$1022. Patients who presented without the need of an ambulance and were admitted had a mean cost of $13,137. The most expensive care pathway was for patients arriving by ambulance with subsequent admission, with a mean cost of AUD$14,949.

Interpretation

The common practice of admitting patients with non-serious low back pain for inpatient care comes at great cost to the healthcare system. In a resource constrained environment, our data highlights the economic need to implement innovative, evidence-based strategies to reduce the inpatient management of these patients.

Funding

Nil.

SUBMITTER: Coombs DM 

PROVIDER: S-EPMC8315649 | biostudies-literature |

REPOSITORIES: biostudies-literature

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