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Authors
Grønhaug, Kirsten Marie Larsen
Dybvik, Eva
Gjertsen, Jan-Erik
Samuelsson, Kristian
Östman, Bengt
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Article History
Received: 16 May 2021
Accepted: 14 February 2022
First Online: 28 April 2022
Declarations
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: The study was approved by the South Eastern Norway Regional Ethics Committee. The STROBE (STrengthening the Reporting of OBservational studies in Epidemiology) guidelines were followed and the methods are in accordance with the WMA declaration of Helsinki. The NHFR has permission from the Norwegian Data Protection Authority to collect and store data on hip fracture patients (permission issued January 3, 2005; reference number.2004/1658–2 SVE/−). The patients signed a written, informed consent declaration, and when unable to understand or sign, their next of kin could sign the consent form on their behalf.
: Not applicable.
: The authors have no conflicts of interest to declare.
