Adverse events of exercise therapy in randomised controlled trials: a systematic review and meta-analysis

Andre Niemeijer, Hans Lund, Signe Nilssen Stafne, Thomas Ipsen, Cathrine Luhaäär Goldschmidt, Claus Thomas Jørgensen, Carsten B Juhl

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

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Abstrakt

OBJECTIVE: To evaluate the relative risk (RR) of serious and non-serious adverse events in patients treated with exercise therapy compared with those in a non-exercising control group.

DESIGN: Systematic review and meta-analysis.

DATA SOURCES: Primary studies were identified based on The Cochrane Database of Systematic Reviews investigating the effect of exercise therapy.

ELIGIBILITY CRITERIA: At least two of the authors independently evaluated all identified reviews and primary studies. Randomised controlled trials were included if they compared any exercise therapy intervention with a non-exercising control. Two authors independently extracted data. The RR of serious and non-serious adverse events was estimated separately.

RESULTS: 180 Cochrane reviews were included and from these, 773 primary studies were identified. Of these, 378 studies (n=38 368 participants) reported serious adverse events and 375 studies (n=38 517 participants) reported non-serious adverse events. We found no increase in risk of serious adverse events (RR=0.96 (95%CI 0.90 to 1.02, I2: 0.0%) due to exercise therapy. There was, however, an increase in non-serious adverse events (RR=1.19 (95%CI 1.09 to 1.30, I2: 0.0%). The number needed to treat for an additional harmful outcome for non-serious adverse events was 6 [95%CI 4 to 11).

CONCLUSION: Participating in an exercise intervention increased the relative risk of non-serious adverse events, but not of serious adverse events. Exercise therapy may therefore be recommended as a relatively safe intervention.PROSPERO registration numberCRD42014014819.

OriginalsprogEngelsk
TidsskriftBritish Journal of Sports Medicine
Vol/bind54
Udgave nummer18
Sider (fra-til)1073-1080
ISSN0306-3674
DOI
StatusUdgivet - sep. 2020

Bibliografisk note

© Author(s) (or their employer(s)) 2019. No commercial re-use. See rights and permissions. Published by BMJ.

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