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01.12.2015 | Research article | Ausgabe 1/2015 Open Access

BMC Musculoskeletal Disorders 1/2015

The reliability and minimal detectable change of Timed Up and Go test in individuals with grade 1 – 3 knee osteoarthritis

Zeitschrift:
BMC Musculoskeletal Disorders > Ausgabe 1/2015
Autoren:
Ahmad Alghadir, Shahnawaz Anwer, Jean-Michel Brismée
Wichtige Hinweise

Competing interests

The authors declare that they have no competing interests.

Authors’ contributions

SA: Corresponding author, participated in the design of the study, participated in the data collection, drafted the manuscript and finished the manuscript. AA: participated in the design of the study and revised the manuscript critically. JMB: participated in the design of the study and revised the manuscript critically. All authors read and approved the final manuscript.

Abstract

Background

The Timed Up and Go (TUG) test is quick and easy tests to assess patients’ functional mobility. However, its reliability in individuals with knee osteoarthritis (OA) has not been well established. The aims of this study were to determine the reliability and minimal detectable change of the TUG test in individuals with doubtful to moderate (Grade 1–3) knee OA.

Methods

Sixty-five subjects (25 male, 40 female), aged 45–70 years, with knee OA participated. Inter-rater reliability was assessed using two observers at different times of the same day in an alternating order. Intra-rater reliability was assessed on two consecutive visits with a 2-day interval. The standard error of measurement (SEM) and the minimum detectable change (MDC) were calculated to determine statistically meaningful changes.

Results

Intra-rater and inter-rater reliability were 0.97 (95 % confidence interval [CI], 0.95 – 0.98) and 0.96 (95 % confidence interval [CI], 0.94 – 0.97), respectively. The MDC, based on measurements by a single rater and between raters, was 1.10 and 1.14 seconds, respectively.

Conclusions

The TUG is a reliable test with adequate MDC for clinical use in individuals with doubtful to moderate knee OA.
Literatur
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