
The authors of a 2019 meta-analysis in a JAMA journal on exercise and heart disease have retracted the paper after discovering that a quarter of the studies they’d used in the analysis did not belong.
The retraction is the first for the journal, which had published some 2,800 articles before having to pull one, Frederick P. Rivara, the editor in chief, told Retraction Watch. One in 2,800, we should note, is quite close to the 4 in 10,000 rate of retraction in the overall literature.
The study, from a group at the Universities of Manchester and Brighton, in the United Kingdom, was titled “Accelerometer- and pedometer-based physical activity interventions among adults with cardiometabolic conditions: a systematic review and meta-analysis,” and appeared in JAMA Network Open.
The authors, led by Alexander Hodkinson, looked at 36 randomized clinical trials and found that:
Continue reading JAMA journal retracts its first paper, on exercise and heart disease