Journal
JOURNAL OF REHABILITATION MEDICINE
Volume 40, Issue 7, Pages 589-591Publisher
FOUNDATION REHABILITATION INFORMATION
DOI: 10.2340/16501977-0217
Keywords
hip fracture; activities of daily living; rehabilitation; reproducibility of results
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Objective: To assess the inter-tester reliability of the New Mobility Score in patients with acute hip fracture. Design: An inter-tester reliability study. Subjects: Forty-eight consecutive patients with acute hip fracture at a median age of 84 (interquartile range, 76-89) years; 40 admitted from their own home and 8 from nursing homes to an acute orthopaedic hip fracture unit at a university hospital. Methods: The New Mobility Score, which evaluates the prefracture functional level with a score from 0 (not able to walk at all) to 9 (fully independent), was assessed by 2 independent physiotherapists at the orthopaedic ward. Inter-tester reliability was evaluated using the intraclass correlation coefficient (ICC(1.1)) and the standard error of measurement (SEM). Results: The ICC between the 2 physiotherapists was 0.98, 95% confidence interval (CI) 0.96-0.99 and the SEM was 0.42, 95% CI -0.40-1.24 New Mobility Score points. No systematic between-rater bias was observed (p > 0.05). Patients who were scored differently by the 2 physiotherapists had significantly lower mental scores (p = 0.02). Conclusion: The inter-tester reliability of the New Mobility Score is very high and can be recommended to evaluate the prefracture functional level in patients with acute hip fracture.
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