Browsing Medicine Research by Author "Xu, Chang"
Now showing items 1-5 of 5
-
Acupuncture vs Noninsertive Sham Acupuncture in Aging Patients with Degenerative Lumbar Spinal Stenosis: A Randomized Controlled Trial
Qin, Zongshi; Ding, Yulong; Xu, Chang; Kwong, Joey S.W.; Ji, Yuan; Wu, Aimin; Wu, Jiani; Liu, Zhishun... more authors ... less authors ( Elsevier , 2020 , Article)Background: Acupuncture is commonly used to treat degenerative lumbar spinal stenosis in Asian countries. However, rigorous data regarding the efficacy and safety of acupuncture for aging patients are currently lacking. ... -
Data extraction error in pharmaceutical versus non-pharmaceutical interventions for evidence synthesis: Study protocol for a crossover trial
Yi, Zhu; Ren, Pengwei; Doi, Suhail A.R.; Furuya-Kanamori, Luis; Lin, Lifeng; Zhou, Xiaoqin; Tao, Fangbiao; Xu, Chang... more authors ... less authors ( Elsevier , 2023 , Article)BackgroundData extraction is the foundation for research synthesis evidence, while data extraction errors frequently occur in the literature. An interesting phenomenon was observed that data extraction error tend to be ... -
Influence of lack of blinding on the estimation of medication-related harms: a retrospective cohort study of randomized controlled trials.
Xu, Chang; Zhang, Fengying; Doi, Suhail A R; Furuya-Kanamori, Luis; Lin, Lifeng; Chu, Haitao; Yang, Xi; Li, Sheyu; Zorzela, Liliane; Golder, Su; Loke, Yoon; Vohra, Sunita... more authors ... less authors ( Springer Nature , 2024 , Article)Empirical evidence suggests that lack of blinding may be associated with biased estimates of treatment benefit in randomized controlled trials, but the influence on medication-related harms is not well-recognized. We aimed ... -
Information on harm outcomes was insufficiently reported in systematic reviews and meta-analyses of individual participant data
Xu, Chang; Kwong, Joey S. W.; Jia, Pengli; Liu, Yu; Zhang, Weixin; Qin, Zongshi; Liu, Tongzu... more authors ... less authors ( John Wiley and Sons Inc , 2021 , Other)Meta-analysis is an important tool for summarizing findings from scientific research. But for harm outcomes,issues may arise due to the distribution problems, zero-events problems, as well as low statistical power. Individual ... -
The robust error meta-regression method for dose-response meta-analysis.
Xu, Chang; Doi, Suhail A R ( Lippincott, Williams & Wilkins , 2018 , Article)Dose-response meta-analysis has been widely employed in evidence-based decision-making. Currently, the most popular approach is the one or two-stage generalized least squares for trend model. This approach however has some ...