ArticleFrontiers in medicine2024
Application of the Composite Quality Score (CQS-2B) versus Cochrane's Risk of Bias tool (Version 2) in systematic reviews of clinical trials - an exploratory study.
Article in Frontiers in medicine, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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3 authors.
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Abstract
Objectives: To explore whether systematic review conclusions generated from Cochrane's second version of its Risk of Bias tool (RoB 2) for trial appraisal differ when the Composite Quality Score, Version 2.B (CQS-2B) is used instead and to develop a testable hypothesis based on these findings. Methods: PubMed was searched for one single systematic review. From the review's accepted trials, data concerning effect estimates and overall bias risk according to the RoB 2 tool were extracted. All trial reports were appraised again using the CQS-2B. Datasets were stratified according to overall bias risk (RoB 2) or corroboration (C-) level (CQS-2B). The effect estimates from trials with 'low bias risk' (RoB 2) and with highest C-level (CQS-2B) were pooled separately. These pooled effect estimates were statistically and all clinical conclusions qualitatively compared. Results: The pooled effect estimates for trials with 'low bias risk' (RoB 2) were -0.07, 95% CI: -0.10 to -0.04 ( Conclusion: A testable hypothesis was generated suggesting that trial appraisal using the CQS-2B may provide more conservative conclusions based on similar data than with the RoB 2 tool.
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