Posted by Michael Wonder on 13 Feb 2020
The magic of randomisation versus the myth of real world evidence
12 February 2020 - Non-randomised observational analyses have been promoted as alternatives to randomised clinical trials.
However, randomisation ensures balance between groups, whereas non-randomised studies are often biased by between-group differences.
Efforts to reduce the cost and complexity of clinical trials are preferable to relying on observational studies.
