Browsing by Author "Gurunathan, Usha"

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Bias Assessment in Outcomes Research: The Role of Relative Versus Absolute Approaches

Stone, Jennifer C.; Gurunathan, Usha; Aromataris, Edoardo; Glass, Kathryn; Tugwell, Peter; Munn, Zachary; Doi, Suhail A.R.... more authors ... less authors ( Elsevier , 2021 , Article)
ObjectivesBias assessment tools vary in content and detail, and the method used for assessment may produce different assessment results in a study if not carefully considered. Therefore, taking an approach to the assessment ...
Letter re: stratification by quality is not recommended in meta-analysis.

Stone, Jennifer; Gurunathan, Usha; Glass, Kathryn; Munn, Zachary; Tugwell, Peter; Doi, Suhail A R... more authors ... less authors ( Elsevier , 2019 , Article)
We read with interest the letter by Page et al. [1] who disagree with the conclusions of our paper, “Stratification by quality induced selection bias in a meta-analysis of clinical trials” [2]. Page et al. [1] critique the ...
Stratification by quality induced selection bias in a meta-analysis of clinical trials.

Stone, Jennifer; Gurunathan, Usha; Glass, Kathryn; Munn, Zachary; Tugwell, Peter; Doi, Suhail A R... more authors ... less authors ( Elsevier , 2018 , Article)
The inconsistency demonstrated across strata when using different scales has been attributed to quality scores and stratification continues to be done using risk of bias domain judgments. This study examines if restricting ...