To the Editor Dr Tricco and colleagues1 compared interventions for preventing falls in older adults. The systematic review and network meta-analysis demonstrated that exercise alone and various combined interventions were associated with lower risk of injurious falls compared with usual care. Some methodological issues deserve comment.
First, exercise is a broadly defined concept because it is a heterogeneous physical activity with respect to type, intensity, and frequency. Exercise was classified as one of the categories of intervention in the network meta-analysis, but it was not clarified what exercise was effective for preventing falls among older adults.
Lee YH, Song GG. Interventions to Prevent Falls in Older Adults. JAMA. 2018;319(13):1382. doi:10.1001/jama.2018.0204
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