Tverdal, Cathrine https://orcid.org/0000-0002-1094-3825
Aarhus, Mads
Rønning, Pål
Skaansar, Ola
Skogen, Karoline
Andelic, Nada
Helseth, Eirik
Article History
Received: 19 March 2021
Accepted: 28 November 2021
First Online: 6 January 2022
Declarations
:
: Anonymized data was retrieved from the Oslo TBI Registry - Neurosurgery. The Registry was approved by OUH data protection officer (approval number 2016/17569). This study qualifies as a quality control study, hence application to the regional ethical committee was waived []. The study was approved by OUH data protection officer (approval number 18/20658).
: Not applicable.
: The authors declare no conflict of interest.