This is, unfortunately, rampant in healthcare. The natural variation amongst people as well as the natural variation of our health throughout out life makes actually analyzing healthcare outcomes incredibly difficult.
90%+ of published outcomes can be invalidated by simply looking at the published data. If you want some chuckles, read blog posts by Al Lewis ripping on research publised by companies touting their own performance. He's acerbic and condescending but also, mostly, correct.
90%+ of published outcomes can be invalidated by simply looking at the published data. If you want some chuckles, read blog posts by Al Lewis ripping on research publised by companies touting their own performance. He's acerbic and condescending but also, mostly, correct.