Luger, Matthias http://orcid.org/0000-0002-4708-5254
Stiftinger, Julian
Allerstorfer, Jakob
Hochgatterer, Rainer
Gotterbarm, Tobias
Pisecky, Lorenz
Article History
Received: 18 February 2021
Accepted: 9 September 2021
First Online: 23 September 2021
Declarations
:
: We report personal fees paid to our institution during the conduct of the study from Zimmer Biomet, Europe and from Depuy Synthes Orthopädie Gmbh, Peter Brehm Gmbh outside the submitted work. We report research grants paid to our institution during the conduct of the study from Zimmer Biomet, Europe, Depuy Synthes Orthopädie Gmbh, Peter Brehm Gmbh, Germany, outside the submitted work. One co-Authors (R.H.) discloses an activity as a paid consultant for Zimmer Biomet, Europe, outside the submitted work.
: The study was approved by the institutional review board (EK-No.: 1239/2019).
: Due to the retrospective study design with evaluation of pre-existing medical records, an informed consent was not required. All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.