Exact(4)
This effect was seen after adjustment for severity of illness (APACHE III score), number of transfusions, pre-ICU transfusions, fresh-frozen plasma and platelet transfusions, leukodepletion status, pretransfusion hemoglobin concentration, clustering of study sites, and cardiac surgery[15].
We further adjusted for clustering of study sites.
To compensate for clustering of study subjects, we weighted these community-level data by the proportion of the census blocks included in a community-specific bounding rectangle that contained 95% of local study subjects (Tatalovich et al. 2006).
This effect was seen after adjustment for severity of illness (APACHE III score), number of transfusions, pre-ICU transfusions, fresh-frozen plasma and platelet transfusions, leukodepletion status, pretransfusion hemoglobin concentration, clustering of study sites, and cardiac surgery [ 15].
Similar(56)
The resulting clustering of studies yields additional insight into the accuracy of the test of interest.
It yields a clustering of studies in diagnostic test accuracy reviews that can be used for explanatory purposes.
When we considered the distribution of control group mortality rates, there was a clustering of studies with a mortality <10% and then a clustering with a control groups mortality >23%.
The results from the ANCOVA showed that students who engaged in SCT activities generated questions that covered significantly more concepts, involved significantly more levels of subordinate concepts, and built significantly more links between clusters of study topics, as compared to those in the SGQ group.
We performed a simulation study to assess the impact of clustering on study results.
It is part of a larger research project on "Jews and the American Public Square," which in turn is part of a cluster of studies financed by the Pew Charitable Trusts of major religious groups and American civic life.
Research into contemporary or recent hunter-gatherer societies yields a remarkably similarly average, while another cluster of studies of pre-state societies that include some horticulture has an even higher rate of violent death.
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