Reducing waste in evaluation studies on fall risk assessment tools for older people

Gabriele Meyer, Ralph Möhler, Sascha Köpke


OBJECTIVES: To critically appraise the recognition of methodological challenges in evaluation studies on assessment tools and nurses' clinical judgment on fall risk in older people and suggest how to reduce respective research waste.

STUDY DESIGN AND SETTING: Opinion article and narrative review covering systematic reviews on studies assessing diagnostic accuracy and impact of assessment tools and/or nurses' clinical judgment.

RESULTS: Eighteen reviews published in the last 15 years were analyzed. Only one reflects potentially important factors threatening the accuracy of assessments using delayed verification with fall events as reference after a certain period of time, that is, natural course, preventive measures, and treatment paradox where accurate assessment leads to prevention of falls, that is, influencing the reference standard and falsely indicating low diagnostic accuracy. In addition, only one review mentions randomized controlled trials as appropriate study design for the investigation of the impact of fall risk assessment tools on patient-important outcomes. Until now, only one randomized controlled trial dealing with this question has been performed showing no effect on falls and injuries. Instead of investigating the diagnostic accuracy of fall assessment tools, the focus of future research should be on the effectiveness of the implementation of fall assessment tools at reducing falls and injuries.

Original languageEnglish
JournalJournal of clinical epidemiology
Pages (from-to)139-143
Number of pages5
Publication statusPublished - 10.2018


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