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Redefining effect modification
(
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 ...
Letter re: stratification by quality is not recommended in meta-analysis.
(
Elsevier
, 2019 , Other)
None
Stratification by quality induced selection bias in a meta-analysis of clinical trials.
(
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 ...
Comparison of bias adjustment methods in meta-analysis suggests that quality effects modeling may have less limitations than other approaches.
(
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 ...