Statistics from Altmetric.com
There’s a lot of confusion on confounding.
We need to understand confounding when we try to use non-randomised studies1 2 to see if doing a thing is going to produce more good than harm, or looking for risk factors3 we then will hope to influence to produce goodness.
If we look at observational data …
Competing interests None declared.
Provenance and peer review Commissioned; internally peer reviewed.
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