In a sense this debate is akin to the 'lumping' or 'splitting' debate in meta-analysis where there is a strong argument to always meta-analyse, even in the presence of high levels of heterogeneity [ 67].
Meta-analyses are not always positive, however; meta-analysis of the data on the widely studied insertion/deletion polymorphism in the angiotensin-converting enzyme gene does not favor association with SLE or lupus nephritis [ 48].
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"Downton Abbey" has always offered a meta-narrative.
Some Whovians are saying series eight is an essential addition to the canon, not just for the dark backstory, but for the way Moffat's always enriching the meta-mythos.
But they always have this meta-behavior.
Dance music has always had the meta-referential tendency to look inward as much as it looks out.
I wanted it to be an homage to the telenovela, so it always had that meta-telenovela build into its bones.
Since clinical and methodological diversity always occur in meta-analyses, statistical heterogeneity is inevitable.
It may seem an advantage that I2 is always reported in meta-analysis and therefore readily available to adjust the expected information size.
We strongly suggest that meta-analysts always compare overall results of their meta-analysis to results based on first randomizations only, as a general control of the reliability of the meta-analysis.
