Categorisation of lumbar spine MRI referrals in Denmark as compliant or non-compliant to international imaging guidelines: an inter-rater reliability study.

"Declarations Ethics approval and consent to participateThe study was registered with the Danish Data Protection Agency (j.no. 637374).According to Danish regulations, register-based studies do not require ethical approval [30]. Consent for publicationNot applicable. Competing interestsRKJ and TSJ are partially employed at the Chiropractic Knowledge Hub funded by the Danish Foundation for Chiropractic Research and Postgraduate Education. TSJ’s position at the University of Southern Denmark is financially supported by an unrestricted grant from the Danish Foundation for Chiropractic Research and Postgraduate Education. Competing interests RKJ and TSJ are partially employed at the Chiropractic Knowledge Hub funded by the Danish Foundation for Chiropractic Research and Postgraduate Education. TSJ’s position at the University of Southern Denmark is financially supported by an unrestricted grant from the Danish Foundation for Chiropractic Research and Postgraduate Education."

"Funding No funding was received for this study."

"Declarations: Ethics approval and consent to participateThe study was registered with the Danish Data Protection Agency (j.no. 637374).According to Danish regulations, register-based studies do not require ethical approval [30].: Consent for publicationNot applicable.: Competing interestsRKJ and TSJ are partially employed at the Chiropractic Knowledge Hub funded by the Danish Foundation for Chiropractic Research and Postgraduate Education. TSJ’s position at the University of Southern Denmark is financially supported by an unrestricted grant from the Danish Foundation for Chiropractic Research and Postgraduate Education. Ethics approval and consent to participate: The study was registered with the Danish Data Protection Agency (j.no. 637374).: According to Danish regulations, register-based studies do not require ethical approval [30]."