Browsing by Author "Xu, Chang"
Now showing items 21-28 of 28
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Protocols for meta-analysis of intervention safety seldom specified methods to deal with rare events
You, Zhou; Zhu, Bo; Lin, Lifeng; Kwong, Joey S.W.; Xu, Chang ( Elsevier , 2020 , Article Review)ObjectivesMeta-analyses of rare events often generate unstable results, and selective reporting of the results may mislead the health care decision. Developing a synthesis plan for rare events in protocol may help to ... -
Quality versus Risk-of-Bias assessment in clinical research
Luis, Furuya-Kanamori; Xu, Chang; Hasan, Syed Shahzad; Doi, Suhail A. ( Elsevier , 2021 , Article)Assessment of internal validity safeguards implemented by researchers has been used to examine the potential reliability of evidence generated within a study. These safeguards protect against systematic error, and such an ... -
Rapid evidence synthesis approach for limits on the search date: how rapid could it be?
Xu, Chang; Ju, Ke; Lin, Lifeng; Jia, Pengli; Kwong, Joey S W; Syed, Asma; Furuya-Kanamori, Luis... more authors ... less authors ( John Wiley and Sons , 2021 , Article)Rapid reviews have been widely employed to support timely decision-making, and limiting the search date is the most popular approach in published rapid reviews. We assessed the accuracy and workload of search date limits ... -
Redefining effect modification
Doi, Suhail A.; Abdulmajeed, Jazeel; Xu, Chang ( Wiley , 2022 , Article)The odds ratio (OR) has been misunderstood in evidence based medicine and clinical epidemiology. Currently, “noncollapsibility” is considered a problem with interpretation of the OR and it is thought that the OR is rarely ... -
SDN Controllers: A Comprehensive Analysis and Performance Evaluation Study
Zhu, Liehuang; Karim, Md M.; Sharif, Kashif; Xu, Chang; Li, Fan; Du, Xiaojiang; Guizani, Mohsen... more authors ... less authors ( Association for Computing Machinery , 2021 , Book Review)Software-defined networks offer flexible and intelligent network operations by splitting a traditional network into a centralized control plane and a programmable data plane. The controller in the control plane is the ... -
Sedentary Behavior, Physical Activity, and All-Cause Mortality: Dose-Response and Intensity Weighted Time-Use Meta-analysis.
Xu, Chang; Furuya-Kanamori, Luis; Liu, Yu; Færch, Kristine; Aadahl, Mette; A Seguin, Rebecca; LaCroix, Andrea; Basterra-Gortari, F Javier; Dunstan, David W; Owen, Neville; Doi, Suhail A R... more authors ... less authors ( Elsevier , 2019 , Article)Previous studies have placed those with excessive sedentary behavior at increased risk of all-cause mortality. There is evidence of interdependency of sedentary behavior with physical activity, and its elucidation will ... -
Synthesis of evidence from zero-events studies: A comparison of one-stage framework methods
Xu, Chang; Furuya-Kanamori, Luis; Lin, Lifeng ( John Wiley & Sons, Ltd , 2021 , Article)In evidence synthesis, dealing with zero-events studies is an important and complicated task that has generated broad discussion. Numerous methods provide valid solutions to synthesizing data from studies with zero-events, ... -
Utilization of the evidence from studies with no events in meta-analyses of adverse events: an empirical investigation
Xu, Chang; Zhou, Xiaoqin; Zorzela, Liliane; Ju, Ke; Furuya-Kanamori, Luis; Lin, Lifeng; Lu, Cuncun; Musa, Omran A H; Vohra, Sunita... more authors ... less authors ( Springer , 2021 , Article)Zero-events studies frequently occur in systematic reviews of adverse events, which consist of an important source of evidence. We aimed to examine how evidence of zero-events studies was utilized in the meta-analyses of ...