What about mixedupness?

The subject of heterogeneity (mixed∼up∼ness) in systematic reviews is tricky. A bit like ‘significance’ you can think about it as both a clinical and statistical concept, and in the same way, you can get results that aren't always concordant. (Remember the idea of a drug that, for 99.999% sure, reduces your systolic blood pressure by 0.01 mm Hg. …