Statement on matching language to the type of evidence used in describing observational studies vs. randomized trials
Source: European Heart Journal
Area: Evidence > Medicines Management > References
Observational studies and randomised controlled trials (RCTs) provide different types of evidence for the evaluation of a therapeutic intervention. Each has advantages and disadvantages. As illustrated in a series of examples in a separate review, interpretation of observational studies, which are relatively descriptive, can be confounded and rendered ambiguous by the fact that many variables impacting outcomes can differ between studies. See also a related editorial (Eur Heart J Jan 2013;34(1):7-9).
Source: NeLM - Cardiovascular Medicine - Category: Cardiology Source Type: news