Footnotes

• Twitter @dr_rajgupta

• Contributors RKG: lead author for the design of data collection, analysis and manuscript writing. TH: contributed significantly to manuscript writing, review of intellectual content, finalizing manuscript, and responses to reviewers. MDM: contributed significantly to manuscript writing, review of intellectual content, finalizing manuscript and responses to reviewers.

• Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

• Competing interests RKG and MDM are the two lead developers and inventors of the ASRA Coags apps. A portion of the royalties from the app goes to Vanderbilt University Medical Center and the VUMC Department of Anesthesiology. The portion of the royalties directed towards RKG and MDM based on institutional guidelines is forwarded to a Departmental Innovation Grant Fund that is not under the control of the authors. Neither individual receives any personal remuneration from these royalties. TH has no relevant disclosures related to this manuscript.

• Patient consent for publication Not required.

• Ethics approval The Vanderbilt University Medical Center Institutional Review Board determined this study to be exempt (not “human subject” research and de-identified data).

• Provenance and peer review Not commissioned; externally peer reviewed.