Participant recruitment and attrition in surgical randomised trials with placebo controls versus non-operative controls: a meta-epidemiological study and meta-analysis – Pragadesh Natarajan et al.
Placebo control trials are the gold standard for determining the true therapeutic effect of interventions. However, placebo trials commonly face difficulties in participant recruitment due to a lack of willingness to participate especially in surgical placebo trials due to its inherently invasive nature and higher [...]