2 ms·
> so much so that the pool of patients to study keeps moving from region to region every 60 days or so. How does NPI/mask effectiveness impact the study movin
by r00fus 6y ago
> so much so that the pool of patients to study keeps moving from region to region every 60 days or so.
How does NPI/mask effectiveness impact the study moving regions?
- pas 6y ago(Not OP, not an expert either.) By the time you design a study, recruit a pool and wait for some of them to get covid, not enough get it for the study to have enough statistical power.