Hospital costs, length of stay and prevalence of hip and knee arthroplasty in patients with inflammatory bowel disease
Eli D Ehrenpreis, E2Bio Consultants, Evanston, IL 60201, United States
Ying Zhou, Research Institute, North Shore University Health System, Evanston, IL 60201, United States
Author contributions: Ehrenpreis ED was involved in the following portions of the study: Study design, data analysis, manuscript writing, manuscript revisions; Zhou Y was involved in the following portions of the study: Study design, data analysis, manuscript writing, manuscript revisions.
Institutional review board statement: The study was reviewed by North Shore University Health System Institutional Review Board and deemed appropriate for exempt status of Institutional Review Board oversight due to the de-identified nature of HCUP-NIS data.
Informed consent statement: The clinical data utilized in this study is de-identified and was obtained from a publicly available database. Therefore, informed consent was not required for this study.
Conflict-of-interest statement: The authors have no conflicts of interest related to this study to report.
Data sharing statement: No additional data are available.
Open-Access: This article is an open-access article which was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/
Correspondence to: Eli D Ehrenpreis, MD, AGAF, FACG, Medical Director, E2Bio Consultants, 2906 Central St, Evanston, IL 60201, United States. email@example.com
Telephone: +1-847-6571900 Fax: +1-224-3647319
Received: January 26, 2017
Peer-review started: February 3, 2017
First decision: March 29, 2017
Revised: May 15, 2017
Accepted: June 18, 2017
Article in press: June 19, 2017
Published online: July 14, 2017