Received: 20 April 2020
Accepted: 15 September 2020
First Online: 6 October 2020
Ethics approval and consent to participate
: The Ethics Committee of Medical Research in Denmark Region (J. no. 10776) and The Danish Data Protection Agency (J.nr: 2003-41-3447) approved the study. Written and informed consents were obtained from the patients with OA before their hip replacement surgery.
: Not applicable.
: Ellen-Margrethe Hauge reports personal fees from MSD, personal fees from Pfizer, personal fees from UCB, personal fees from Sobi, grants from Roche, grants from Novartis, outside the submitted work. Kresten Krarup Keller reports speaking fee from Pfizer. Rasmus Klose Jensen, Andreas Wiggers Nielsen, Louise Brøndt Hartlev, Lene Warner Thorup Boel, Mogens Berg Laursen and Jesper Skovhus Thomsen have no conflict of interest to declare.