Abstract
Objectives
To recommend the most suitable observer-assessed impairment tests in people with hip and/or groin pathologies by conducting a systematic review of the clinimetric properties of these tests.
Methods
Electronic searches were performed in Cochrane,PubMed, CINAHL Embase, SPORTDiscus and PsycINFO up to August 2011. Two reviewers independently rated measurement properties of clinical tests of impairments, as defined by the International Classification of Functioning, Disability, and Health as problems in body structure or body function, using the Consensus based standards for the selection of health status measurement instrument (COSMIN). “Best evidence synthesis” was made using COSMIN outcomes and the quality of findings using a purpose criteria system.
Results
Fifteen of 2588 publications were eligible for inclusion. Impairments evaluated were range of motion (ROM) (9 studies), muscle strength (6 studies), tenderness (3 studies), leg-length discrepancy (2 studies), balance (2 studies) and muscle length (2 studies) in people with hip osteoarthritis (OA), hip fractures and mixed hip/groin pathologies. Measurement properties evaluated included reliability, measurement error, construct validity and criterion validity. Responsiveness or interpretability was not assessed. Intra-rater reliability of ROM tests (ICC 0.82-0.97) and strength tests (ICC 0.84-0.98) for hip OA and of strength tests (ICC 0.66-0.94) and balance tests (ICC 0.73-0.94) for hip fractures were demonstrated.
Conclusion
This systematic review highlighted a paucity of literature evaluating the clinimetric properties of impairment tests for people with hip and/or groin pathology. A large number of inconclusive findings were found and as such many clinical impairments tests should be used in caution in people with hip and /or groin pathologies until further clinimetric evidence becomes available. © 2012 by the American College of Rheumatology
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