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dc.contributor.authorLee, Boram
dc.contributor.authorKim, Tae-Hun
dc.contributor.authorBirch, Stephen
dc.contributor.authorAlræk, Terje
dc.contributor.authorLee, Hye Won
dc.contributor.authorNielsen, Arya
dc.contributor.authorWieland, L. Susan
dc.contributor.authorLee, Myeong Soo
dc.date.accessioned2023-08-09T11:35:08Z
dc.date.available2023-08-09T11:35:08Z
dc.date.created2023-04-14T12:09:59Z
dc.date.issued2023
dc.identifier.citationFrontiers in medicine. 2023, 9.en_US
dc.identifier.issn2296-858X
dc.identifier.urihttps://hdl.handle.net/11250/3083193
dc.description.abstractObjectives: Although many trials have assessed the effect of acupuncture on knee osteoarthritis (KOA), its efficacy remains controversial. Sham acupuncture techniques are regarded as representative control interventions in acupuncture trials and sometimes incorporate the use of sham devices (base units) to support a non-penetrating needle. To achieve successful blinding, these trials also use acupuncture base units in the verum acupuncture group. Base units are not used in real-world clinical settings. We aimed to assess the effect sizes of verum and sham acupuncture for KOA in sham-controlled trials with or without base units. Methods: A total of 10 electronic databases for randomized controlled trials (RCTs) comparing the efficacy of verum manual acupuncture and sham acupuncture for the treatment of KOA were searched for articles published before April 12, 2022. The primary outcome was pain intensity, and the secondary outcomes included physical function. The first assessment after the end of treatment was chosen for analysis. Effect sizes are reported as standardized mean differences (SMDs) with 95% confidence intervals (95% CIs). The risk of bias was assessed using the Cochrane risk of bias tool, and publication bias was evaluated using a funnel plot and Egger’s test. The quality of evidence for estimates was evaluated using the Grading of Recommendations, Assessment, Development, and Evaluations (GRADE) approach. Results: Fifteen RCTs were included. There was generally a low risk of bias except for the difficulty in blinding acupuncture therapists (performance bias). Compared to verum acupuncture in sham-controlled trials using base units, verum acupuncture in sham-controlled trials without base units was more effective for improving pain (SMD −0.56, 95% CI −1.09 to −0.03) and function (SMD −0.73, 95% CI −1.36 to −0.10) in KOA. The quality of evidence for network estimates was moderate to low due to the risk of bias and imprecision. Conclusion: These findings suggest that verum acupuncture in different types of sham-controlled trials has different effect sizes for KOA. Because base units are not used in clinical settings, the results of verum acupuncture in sham-controlled trials with base units need to be interpreted carefully.en_US
dc.language.isoengen_US
dc.rightsNavngivelse 4.0 Internasjonal*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/deed.no*
dc.subjectacupunctureen_US
dc.subjectknee osteoarthritisen_US
dc.subjectplaceboen_US
dc.subjectsystematic reviewen_US
dc.titleComparative effectiveness of acupuncture in sham-controlled trials for knee osteoarthritis: A systematic review and network meta-analysisen_US
dc.title.alternativeComparative effectiveness of acupuncture in sham-controlled trials for knee osteoarthritis: A systematic review and network meta-analysisen_US
dc.typePeer revieweden_US
dc.typeJournal articleen_US
dc.description.versionpublishedVersionen_US
dc.source.volume9en_US
dc.source.journalFrontiers in medicineen_US
dc.identifier.doi10.3389/fmed.2022.1061878
dc.identifier.cristin2140856
cristin.ispublishedtrue
cristin.fulltextoriginal
cristin.qualitycode1


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