تصفح حسب المؤلف "n 2015025214"
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Many meta-analyses of rare events in the Cochrane Database of Systematic Reviews were underpowered
Pengli, Jia; Lin, Lifeng; Kwong, Joey S W; Xu, Chang ( Elsevier , 2021 , Article)Background and ObjectiveMeta-analysis is a statistical method with the ability to increase the power for statistical inference, while it may still face the problem of being underpowered. In this study, we investigated the ... -
Methodological issues of systematic reviews and meta-analyses in the field of sleep medicine: A meta-epidemiological study
Xu, Chang; Furuya-Kanamori, Luis; Kwong, Joey S.W.; Li, Sheng; Liu, Yu; Doi, Suhail A.... more authors ... less authors ( Elsevier , 2021 , Article)An increasing number of systematic reviews and meta-analyses (SRMAs) have been published in the field of sleep medicine. We evaluated the methodological issues of these SRMAs. A protocol was developed in advance. Three ...