“…1 As the research did not provide a categorisation of reasons for retractions in 18 RCTs, we performed a subsequent analysis and found that, according to retraction notices and information on publisher's website, plagiarism and data fabrication/falsification accounted for 38.9% (n = 7) and 5.6% (n = 1), respectively. Specifically, randomised controlled trials (RCTs) based on fabricated/falsified data have the most direct negative impact on health and health care because their results, either directly or through meta-analyses, inform clinical practice guidelines.…”