The reporting of COVID-19 clinical trials in both preprints and peer-reviewed publications lacks transparency, completeness and consistency – according to a study published in BMCMedicine.
]. We entered the preprint DOI, preprint venue, and preprint data. The tracker provides a list of relevant publications. The candidate list of preprint-publication pairs is sorted by decreasing the likelihood of preprint-publication association. One reviewer screens all of the pairs and identifies the publication reporting the related trial results.
To reduce errors during the extraction and ensure calibration, two reviewers were trained and separately assessed 20 trials each through oral and written instructions. The reviewers discussed the meaning of each assessment item and reached a consensus for the 20 trials. Subsequently, all included trials were extracted by a single reviewer. The inter-rater agreement between the two reviewers was good with 96.6% agreement, with a kappa coefficient of 0.87 .
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