Please use this identifier to cite or link to this item: http://hdl.handle.net/11434/621
Title: Comparison of the short form-12 (SF-12) health status questionnaire with the SF-36 in patients with knee osteoarthritis who have replacement surgery.
Epworth Authors: Feller, Julian
Other Authors: Webster, Kate
Keywords: Orthopaedics
Orthopedics
Sports Medicine
Knee Surgery
Osteoarthritis
Musculoskeletal
Quality of Life
Knee Arthroplasty
Comparison
Outcomes
Arthroplasty, Replacement, Knee
Sports Injury
SF-12 Questionnaire
SF-36 Questionnaire
Health Status
Musculoskeletal Clinical Institute, Epworth HealthCare, Victoria, Australia
Issue Date: Jan-2016
Publisher: Springer
Citation: Knee Surg Sports Traumatol Arthrosc. 2016 Jan 28. [Epub ahead of print]
Abstract: PURPOSE: To investigate whether the performance of the short form-12 (SF-12) health survey is comparable with the longer version SF-36 for measuring health-related quality of life over time in patients with knee osteoarthritis who have joint replacement surgery. METHODS: Four hundred and seven patients with knee osteoarthritis completed the SF-36 before surgery and at a minimum of 12 months following knee replacement. SF-12 item responses were obtained from the responses given to the SF-36 questionnaire. Correlation coefficients were calculated between SF-12 and SF-36 physical component summary (PCS) and mental component summary (MCS) scores and the respective change in scores. Sensitivity to change was determined with the standardised response mean (SRM). RESULTS: PCS and MCS scores were highly correlated between SF-12 and SF-36 versions for both preoperative and post-operative measures (r = 0.90-0.96, p < 0.0001). Change scores (post-operative-preoperative) were also highly correlated (PCS: r = 0.88, p < 0.001; MCS: r = 0.93, p < 0.001). Sensitivity to change was large for the PCS scale (all SRMs >1.0). Correlations above 0.7 were found between change scores for each SF-36 and SF-12 subscale except General Health (r = 0.55). CONCLUSIONS: The SF-12 summary measures and component scores replicate well with the SF-36 and show similar responsiveness to change. The SF-12 appears to be an adequate alternative for use in patients with knee osteoarthritis who undergo replacement surgery, and its brevity should be attractive for both clinicians and patients. LEVEL OF EVIDENCE: I.
URI: http://hdl.handle.net/11434/621
DOI: 10.1007/s00167-015-3904-1
PubMed URL: http://www.ncbi.nlm.nih.gov/pubmed/26821809
ISSN: 1433-7347
Journal Title: Knee Surgery, Sports Traumatology, Arthroscopy (KSSTA)
Type: Journal Article
Affiliated Organisations: School of Allied Health, College of Science, Health & Engineering, La Trobe University, Bundoora, Melbourne, Victoria, Australia
Type of Clinical Study or Trial: Survey
Appears in Collections:Musculoskeletal
Rehabilitation

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