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Article History

Received: 29 November 2021

Accepted: 4 April 2022

First Online: 11 April 2022

Declarations

:

: This study used data already collected in previous studies at Danderyd Hospital. Written informed consent has been obtained from all subjects in these studies. No further information additional to indication for surgery and the shoulder implant, regarding the patients or their conditions, has been obtained for the purpose of this study (that only analyze the performances between the scores). Information to the patients that the filled-out questionnaires would be used for study purposes have been given, and according to the ethical vetting at the Regional Ethical Review Committee in Stockholm no written consent was required for collecting follow-up PROM questionnaires by the clinic or the registry (Ref: 2006/54–31/2). To preserve personal integrity, all personal identities were coded, and no social security numbers were entered into the database.The Regional Ethical Review Committee in Stockholm has approved the collection and publication of data for the study (Collection of PROM questionnaires for validation and group A Ref: 2006/54–31/2). Additional approval including the clinical examination including CMS for group B Ref: 2008/1621–31/2 and group C Ref: 2011/1063–31/4.All methods were carried out in accordance with relevant guidelines and regulations.

: Not applicable.

: The authors declare that they have no competing interests.