Importance The association between red blood cell (RBC) transfusion strategies and health
care–associated infection is not fully understood. Objective To evaluate whether RBC …

BACKGROUND Women with endometriosis may constitute a group at a particularly
increased risk of pregnancy-related complications. Furthermore, women selected for …

For meta‐analysis of studies that report outcomes as binomial proportions, the most popular
measure of effect is the odds ratio (OR), usually analyzed as log (OR). Many meta‐analyses …

Meta‐analyses can be powerful tools to combine the results of randomized clinical trials and
observational studies to make consensus inferences about a medical issue. It will be …

In this article we use Monte Carlo analysis to assess the small sample behaviour of the OLS,
the weighted least squares (WLS) and the mixed effects meta-estimators under several …

Meta-analysis of diagnostic studies experience the common problem that different studies
might not be comparable since they have been using a different cut-off value for the …

There are many interlaboratory studies for which the commonly employed random effects
model is not adequate as the heterogeneous discrepant data indicate quite different (larger) …

The abattoir and the fallen stock surveys constitute the active surveillance component aimed
at improving the detection of scrapie across the European Union. Previous studies have …

Misspecifications and differences in operational definitions of elasticities in primary studies
carry over to meta-analysis results. We show that the current practice of accounting for such …

Background Two annual surveys, the abattoir and the fallen stock, monitor the presence of
scrapie across Europe. A simple comparison between the prevalence estimates in different …