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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Hagen, Tyson P. Cram, Peter Vaughan-sarrazin, Mary S. |
| Spatial Coverage | United States |
| Description | Author Affiliation: Hagen TP ( Division of Rheumatology, Department of Internal Medicine, University of Iowa Carver College of Medicine, Iowa City, IA 52242, USA. tyson-hagen@uiowa.edu); |
| Abstract | Objective To explore the relation between hospital orthopaedic specialisation and postoperative outcomes after total hip or knee replacement surgery. Design Retrospective analysis of US Medicare data, 2001-5. Setting 3818 US hospitals carrying out total joint replacement. Population 1 273 081 Medicare beneficiaries age 65 and older who underwent primary or revision hip or knee replacement. Main outcome measures Hospitals were stratified into fifths on the basis of their degree of orthopaedic specialisation (lowest fifth, least specialised; highest fifth, most specialised). The primary outcome was defined as a composite representing the occurrence of one or more of pulmonary embolism, deep vein thrombosis, haemorrhage, infection, myocardial infarction, or death within 90 days of the index surgery. Results As hospital orthopaedic specialisation increased from the lowest fifth to highest fifth, the proportion of people admitted who were women or black, or who had diabetes or heart failure progressively decreased (P<0.001), whereas procedural volume increased. Compared with the most specialised hospitals (highest fifth), after adjustment for patient characteristics and hospital volume, the odds of adverse outcomes increased progressively with decreased hospital specialisation: lowest fifth (odds ratio 1.59, 95% confidence interval 1.53 to 1.65), second fifth (1.32, 1.28 to 1.36), third fifth (1.24, 1.21 to 1.28), and fourth fifth (1.10, 1.07 to 1.13). Conclusions Increased hospital orthopaedic specialisation is associated with improved patient outcomes after adjusting for both patient characteristics and hospital procedural volume. These results should be interpreted with caution because the possibility that other unmeasured confounders related to socioeconomic status or different factors are responsible for the improved patient outcomes rather than hospital specialisation can not be excluded. The findings suggest that hospital specialisation may capture different components of hospital quality than the components captured by hospital volume. |
| ISSN | 09598138 |
| e-ISSN | 17561833 |
| Journal | BMJ (British Medical Journal) |
| Volume Number | 340 |
| Language | English |
| Publisher | British Medical Journal Publishing Group |
| Publisher Date | 2010-02-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | Open |
| Subject Keyword | Arthroplasty, Replacement, Hip Arthroplasty, Replacement, Knee Clinical Competence Health Facility Size Orthopedics Statistics & Numerical Data Specialization Mortality Medicare Outcome Assessment (Health Care) Retrospective Studies Multicenter Study Research Support, N.I.H., Extramural Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. Medicine |
| Content Type | Text |
| Resource Type | Article |
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