The validity,reliability, responsiveness and minimal clinically important difference of the de Morton mobility index in rehabilitation |
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| Authors: | Peter Wayne New Grant David Scroggie Cylie Michelle Williams |
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| Affiliation: | 1. Department of Rehabilitation and Aged Care, Medical Program, Monash Health, Victoria, Australia;2. Epworth-Monash Rehabilitation Medicine Unit, Southern Medical School, Monash University, Victoria, Australia;3. Department of Epidemiology and Preventive Medicine, Faculty of Medicine, Nursing and Health Sciences, Monash University, Victoria, Australia;4. Physiotherapy Department, Monash Health, Melbourne, Australia;5. Allied Health Research Unit, Monash Health, Victoria, Australia;6. Physiotherapy Department, Monash University, Frankston, Victoria, Australia |
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| Abstract: | Purpose: Determine the clinimetric properties of the de Morton Mobility Index (DEMMI) in an adult inpatient rehabilitation population.Method: Prospective open cohort case series. DEMMI and functional independence measure assessed within three days of admission and discharge and seven-point Likert assessment of global change in mobility during inpatient rehabilitation reported by the patient, physical therapist and rehabilitation physician.Results: A total of 366 patients had assessments of the DEMMI completed on both admission into and discharge from rehabilitation. There was no floor or ceiling effect observed in the sample, but there was a mild (19%) ceiling effect at discharge in patients with a stroke. Evidence was obtained for the convergent, discriminant and known group validity of the DEMMI. The minimal clinically important difference was obtained using two methods. The DEMMI was highly responsive to change (Cohen’s d?=?1.3).Conclusions: The findings give support to the use of the DEMMI in rehabilitation patients and on the basis of previous studies, support the use of the DEMMI across the continuum of hospital settings.- Implications for rehabilitation
This study provides evidence that the clinimetric properties of the de Morton Mobility Index (DEMMI) are sound. The findings give support to the use of the DEMMI in rehabilitation patients. Our findings, in conjunction with previous research, support the use of the DEMMI across the continuum of hospital settings.
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| Keywords: | Mobility limitation outcome assessment (health care) psychometrics de Morton Mobility Index |
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