Browsing by Author "Munn, Zachary"
Now showing items 1-7 of 7
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Bias Assessment in Outcomes Research: The Role of Relative Versus Absolute Approaches
Jennifer C., Stone; Gurunathan, Usha; Aromataris, Edoardo; Glass, Kathryn; Tugwell, Peter; Munn, Zachary; Doi, Suhail A.R.... more authors ... less authors (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 ... -
Comparison of bias adjustment methods in meta-analysis suggests that quality effects modeling may have less limitations than other approaches.
Stone, Jennifer C; Glass, Kathryn; Munn, Zachary; Tugwell, Peter; Doi, Suhail A R ( Elsevier , 2019 , Article)The quality of primary research is commonly assessed before inclusion in meta-analyses. Findings are discussed in the context of the quality appraisal by categorizing studies according to risk of bias. The impact of appraised ... -
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 , Other)None -
Methodological quality assessment should move beyond design specificity.
Stone, Jennifer C; Glass, Kathryn; Ritskes-Hoitinga, Merel; Munn, Zachary; Tugwell, Peter; Doi, Suhail A R... more authors ... less authors ( Lippincott, Williams & Wilkins , 2023 , Article)This study aimed to assess the utility of a unified tool (MASTER) for bias assessment against design-specific tools in terms of content and coverage. Each of the safeguards in the design-specific tools was compared and ... -
The MethodologicAl STandards for Epidemiological Research (MASTER) scale demonstrated a unified framework for bias assessment
Jennifer C., Stone; Glass, Kathryn; Clark, Justin; Ritskes-Hoitinga, Merel; Munn, Zachary; Tugwell, Peter; Doi, Suhail A.R.... more authors ... less authors ( Elsevier , 2021 , Article)Objective: This paper presents a unified framework for assessment of the methodological quality of analytic study designs. Study Design and Setting: A systematic review of 393 methodological quality assessment tools that ... -
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 ... -
A unified framework for bias assessment in clinical research
Stone, Jennifer C; Glass, Kathryn; Clark, Justin; Munn, Zachary; Tugwell, Peter; Doi, Suhail A R... more authors ... less authors ( Lippincott, Williams & Wilkins , 2019 , Article)Methodological flaws, limitations, and inadequate practices in research are well known and pose threats to the internal validity of any research study. However, there are ways of safeguarding research conduct to reduce the ...