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Cross-sectional analysis of association between socioeconomic status and utilization of primary total hip joint replacements 2006-7 : Australian orthopaedic association national joint replacement registry

Brennan, Sharon L., Stanford, Tyman, Wluka, Anita E., Henry, Margaret J., Page, Richard S., Graves, Stephen E., Kotowicz, Mark A., Nicholson, Geoff C. and Pasco, Julie A. 2012, Cross-sectional analysis of association between socioeconomic status and utilization of primary total hip joint replacements 2006-7 : Australian orthopaedic association national joint replacement registry, BMC musculoskeletal disorders, vol. 13, no. 63, pp. 1-7.

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Title Cross-sectional analysis of association between socioeconomic status and utilization of primary total hip joint replacements 2006-7 : Australian orthopaedic association national joint replacement registry
Author(s) Brennan, Sharon L.
Stanford, Tyman
Wluka, Anita E.
Henry, Margaret J.
Page, Richard S.
Graves, Stephen E.
Kotowicz, Mark A.
Nicholson, Geoff C.
Pasco, Julie A.
Journal name BMC musculoskeletal disorders
Volume number 13
Issue number 63
Start page 1
End page 7
Total pages 7
Publisher BioMed Central
Place of publication London, England
Publication date 2012-04-30
ISSN 1471-2474
Keyword(s) hip joint replacement
socioeconomic status
utilization
Australia
Summary Background The utilization of total hip replacement (THR) surgery is rapidly increasing, however few data examine whether these procedures are associated with socioeconomic status (SES) within Australia. This study examined primary THR across SES for both genders for the Barwon Statistical Division (BSD) of Victoria, Australia.

Methods Using the Australian Orthopaedic Association National Joint Replacement Registry data for 2006–7, primary THR with a diagnosis of osteoarthritis (OA) among residents of the BSD was ascertained. The Index of Relative Socioeconomic Disadvantage was used to measure SES; determined by matching residential addresses with Australian Bureau of Statistics census data. The data were categorised into quintiles; quintile 1 indicating the most disadvantaged. Age- and sex-specific rates of primary THR per 1,000 person years were reported for 10-year age bands using the total population at risk.

Results Females accounted for 46.9% of the 642 primary THR performed during 2006–7. THR utilization per 1,000 person years was 1.9 for males and 1.5 for females. The highest utilization of primary THR was observed in those aged 70–79 years (males 6.1, and females 5.4 per 1,000 person years). Overall, the U-shaped pattern of THR across SES gave the appearance of bimodality for both males and females, whereby rates were greater for both the most disadvantaged and least disadvantaged groups.

Conclusions Further work on a larger scale is required to determine whether relationships between SES and THR utilization for the diagnosis of OA is attributable to lifestyle factors related to SES, or alternatively reflects geographic and health system biases. Identifying contributing factors associated with SES may enhance resource planning and enable more effective and focussed preventive strategies for hip OA.
Notes This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Language eng
Field of Research 119999 Medical and Health Sciences not elsewhere classified
Socio Economic Objective 970111 Expanding Knowledge in the Medical and Health Sciences
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2012, Brennan et al.
Persistent URL http://hdl.handle.net/10536/DRO/DU:30047462

Document type: Journal Article
Collections: School of Medicine
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