Abstract

PurposeThis study aims to conduct a network meta-analysis to compare the clinical efficacy of seven distinct non-pharmacological therapies for knee osteoarthritis. We hope that our research findings can provide reference for clinical practitioners in formulating treatment plans. MethodsThrough a computer-based search, we systematically retrieved randomized controlled trials (RCTs) on non-pharmacological therapies for knee osteoarthritis from eight databases, including CNKI, Wanfang, VIP, PubMed, Web of Science, Embase, Scopus, and The Cochrane Library. Following screening, data extraction, and methodological quality assessment, relevant data were included and analyzed using R 4.2.3 software. ResultsA comprehensive analysis of 24 RCTs involving 2582 patients encompassed seven diverse non-pharmacological therapies. The efficacy rankings, based on Visual Analog Scale (VAS) scores, were as follows: shock wave therapy > needle-knife > laser therapy > acupuncture > ultrasound > exercise > transcutaneous electrical nerve stimulation. Similarly, based on Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) total scores, the efficacy rankings were as follows: shock wave therapy > needle-knife > laser therapy > acupuncture > ultrasound > transcutaneous electrical nerve stimulation > exercise. Among the three WOMAC subscales, the efficacy rankings for non-pharmacological therapies were as follows: For stiffness: laser therapy > exercise > shock wave therapy > acupuncture > needle-knife > ultrasound > transcutaneous electrical nerve stimulation; For daily activities: shock wave therapy > laser therapy > needle-knife > acupuncture > ultrasound > transcutaneous electrical nerve stimulation > exercise; For pain: shock wave therapy > needle-knife > laser therapy > acupuncture > exercise > transcutaneous electrical nerve stimulation > ultrasound. ConclusionBased on the currently limited research, we can prioritize the use of shockwave therapy to treat patients with knee osteoarthritis. However, it is essential to emphasize that further rigorous and well-designed randomized controlled trials are necessary to validate the conclusions drawn from this study.

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