37
Large-scale study confirms that millions of people are taking a heart attack drug unnecessarily
(english.elpais.com)
A community to post scientific articles, news, and civil discussion.
rule #1: be kind
how is 18,000 underpowered.
Power is a function of the size of the difference you're testing for. Idk how to really calculate it accurately, but this site would suggest to discriminate between 7.2% and 7.4% you'd need over 300,000 participants
I'm kind of skeptical of that, but I don't know enough about clinical trials to know that.
8,400 were assigned