Abstract
Objective The Utrecht Scale for Evaluation of Rehabilitation is a multi-domain measurement with good content validity, structural validity and reliability for measuring physical functioning (mobility, selfcare) and cognitive functioning in geriatric rehabilitation. We aimed to determine the construct validity of both Utrecht Scale for Evaluation of Rehabilitation scales and the responsiveness and interpretability of the scale for physical functioning in geriatric rehabilitation. Design Prospective follow-up study embedded in routine care. Setting Four care organisations in The Netherlands. Subjects Patients admitted for inpatient geriatric rehabilitation (2021–2022). Main measures Data collection included the Utrecht Scale for Evaluation of Rehabilitation, Mini-Mental State Examination, Barthel index, and a global rating scale anchor on recovery. Hypothesis testing was used to determine construct validity and responsiveness. For interpretability, minimal important change and floor and ceiling effects were determined. Results The mean age of participants (n = 211) was 77 (SD 10.4). Their mean length of stay was 38.6 days (SD 26.3), and 81% returned home. The Utrecht Scale for Evaluation of Rehabilitation showed adequate construct validity, as all three hypotheses were confirmed for both scales. The Utrecht Scale for Evaluation of Rehabilitation-physical function scale showed adequate responsiveness, with all five hypotheses confirmed. The mean change for physical function (scale range 0–70) was 15.5 points (SD 17.1). The minimal important change for Utrecht Scale for Evaluation of Rehabilitation-physical function was 14.5 points difference for improvement. This scale showed no floor (2%) and ceiling effects (14%) at admission and discharge. Conclusions The Utrecht Scale for Evaluation of Rehabilitation showed to be effective for evaluating physical functioning during geriatric rehabilitation as well as screening cognitive functioning. In total, 14.5 points difference has been established as a minimal important change for physical functioning.
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