To attribute a dependent variable to just one independent various (the treatment) one has to control for confounding.
Here a site in Turkey there a site in Australia, here as site in the US, there a site in the UK can potentially pick up treatment practices in those locations if care isn;t taken.
Remember MEND. Remember that prone positioning or not can itself cause swings in outcomes )confouding results) . One has to control fro confounding variables carefully.
It is crazy to assume a team has done that when it has a history of not doing that and it hasn't been explicit about control to test arm split.
CYP Price at posting:
11.5¢ Sentiment: Hold Disclosure: Held
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