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Knee. 2014 Mar;21(2):491-6. doi: 10.1016/j.knee.2013.11.009. Epub 2013 Nov 27.

Quantifying the excess cost and resource utilisation for patients with complications associated with elective knee arthroscopy: a retrospective cohort study.

Author information

1
Melbourne EpiCentre, Department of Medicine, University of Melbourne, VIC, Australia; Centre for Research Excellence in Patient Safety, Monash University, Melbourne, Australia. Electronic address: megan.bohensky@unimelb.edu.au.
2
Melbourne EpiCentre, Department of Medicine, University of Melbourne, VIC, Australia.
3
Epworth HealthCare, University of Melbourne, Australia.
4
Department of Medicine, St. Vincent's Hospital, University of Melbourne, Australia; Department of Medicine, Southern Clinical School, Monash University, Australia.
5
Department of Orthopaedics, Melbourne Health, Melbourne, Australia.
6
Melbourne EpiCentre, Department of Medicine, University of Melbourne, VIC, Australia; Centre for Research Excellence in Patient Safety, Monash University, Melbourne, Australia.

Abstract

BACKGROUND:

Recent studies have demonstrated morbidity associated with elective knee arthroscopy. The objective of the current study was to quantify resource utilisation and costs associated with postoperative complications following an elective knee arthroscopy.

METHODS:

We undertook a retrospective, longitudinal cohort study using routinely collected hospital data from Victorian public hospitals during the period from 1 July 2000 to 30 June 2009. A generalised linear model was used to examine relative cost and length of stay for venous thromboembolism, joint complications and infections. Log-transformed multiple linear regression and retransformation were used to determine the excess cost after adjustment.

RESULTS:

We identified 166,770 episodes involving an elective knee arthroscopy. There were a total of 976(0.6%) complications, including 573 patients who had a venous thromboembolism (VTE) (0.3%), 227 patients with a joint complication (0.1%) and 141 patients with infections (0.1%). After adjustment, the excess 30-day cost per patient for venous thromboembolism was $USD +3227 (95% CI: $3211-3244), for joint complications it was $USD +2247 (95% CI: $2216-2280) and for infections it was $USD +4364 (95% CI: $4331-4397).

CONCLUSION:

This is the first study to quantify resource utilisation for complications associated with elective knee arthroscopy. With growing attention focused on improving patient outcomes and containing costs, understanding the nature and impact of complications on resource utilisation is important.

KEYWORDS:

Adverse outcomes; Arthroscopy; Cost; Epidemiology; Health services research

PMID:
24331732
DOI:
10.1016/j.knee.2013.11.009
[Indexed for MEDLINE]

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