Re: What if
in response to
by
posted on
Mar 07, 2019 11:49AM
Ooops. I meant to write "I don't think ASSURE was sufficiently powered to do that analysis."
Here's a decent paper explaining requirements for subgroup analyses....
Three simple rules to ensure reasonably credible subgroup analyses
"....If properly selected (based on previous empirical evidence and current scientific theory), an adequately powered subgroup analysis can be a valid hypothesis testing endeavour...."