Blar i Brage NIH på forfatter "Midttun, Espen"
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Good validity in the Norwegian Knee Ligament Register: Assessment of data quality for key variables in primary and revision cruciate ligament reconstructions from 2004 to 2013
Midttun, Espen; Andersen, Morten Torheim; Engebretsen, Lars; Visnes, Håvard; Fenstad, Anne Marie; Gjertsen, Jan-Erik; Persson, Andreas (Peer reviewed; Journal article, 2022)Background: The Norwegian Knee Ligament Register was founded in 2004 to provide representative and reliable data on cruciate ligament surgery. The aim of this study was to evaluate the validity of key variables in the ...