• Venkat Boddapati, Michael C Fu, Benedict U Nwachukwu, Anil S Ranawat, Wilson Y Zhen, and Joshua S Dines.
• Hospital for Special Surgery, New York, New York, USA.
• Am J Sports Med. 2018 Mar 1; 46 (4): 969-976.

BackgroundInaccurate disclosures of physician and industry relationships in scientific reporting may create an asymmetry of information by hiding potential biases. The accuracy of conflict of interest disclosure in sports medicine research is unknown.PurposeTo compare author financial disclosures in published articles in 2016 in the American Journal of Sports Medicine ( AJSM) with the Centers for Medicare and Medicaid Services' Open Payments Database (OPD) to determine the percentage of payments values and percentage of eligible authors with discrepancies.Study DesignCross-sectional study; no level of evidence (nonclinical).MethodsAll articles published in 2016 in AJSM were screened to identify eligible authors. On the basis of OPD reporting, physician authors affiliated with a US institution were included. Stated disclosures in AJSM publications for these authors were identified and compared with industry-reported payments on OPD.ResultsA total of 434 authors were included in this study. Mean and median total payments per author per year were $76,941 and $1692, respectively. The most commonly received payment was for food and beverage (81.3% of authors), followed by travel and lodging (45.4%) and consulting (31.8%). Authors with higher total payments were less likely to be discrepant in their reporting-notably, authors earning >$500,000 had 16.1% of payment values with discrepancy, as opposed to 85.3% for those earning <$10,000 ( P < .001). First authors had a lower percentage of payment values with discrepancy (13.8%) versus middle authors (31.9%, P = .001). Finally, men had a lower percentage of payment values with discrepancy (418 authors, 22.3% of payment values with discrepancy) as compared with women (16 authors, 95.3%; P < .001). Regarding industry payments specifically requested on the AJSM disclosure form for authors (royalties, consulting, research payments, and ownership and investments), only 25.3% of authors had a discrepancy in these payment categories in aggregate.ConclusionDiscrepancies exist between disclosures reported by authors publishing in AJSM and what is reported in the OPD. Authors receiving lower total payments, middle authors, and women are more likely to have disclosure discrepancies. Additionally, industry research funding support and ownership interest are most likely to go unreported. However, this study did not assess whether authors with industry payments preferentially published studies pertaining to products from companies from which they received funding. As national registries such as the OPD are increasingly utilized, physicians may benefit from referencing such databases before submitting conflict of interest disclosures.

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