This article has been accepted for publication and undergone full peer review but has not been through the copyediting, typesetting, pagination and proofreading process, which may lead to differences between this version and the Version of Record. Please cite this article as doi: 10.1111/EJH.13351 This article is protected by copyright. All rights reserved DR. GÖRAN WÅLINDER (Orcid ID : 0000-0003-4533-2335) DR. INGEMAR TURESSON (Orcid ID : 0000-0002-4115-8010) Article type : Original Article Outcome and characteristics of non-measurable myeloma: A cohort study with population- based data from the Swedish Myeloma Registry Göran Wålinder 1,2 Jan Samuelsson 3 , Per Näsman 4 , Markus Hansson 5,6 ,Gunnar Juliusson 5 , Karin Forsberg 7 , Ronald Svensson 3 , Olle Linder 8 , Kristina Carlson 9 , Sigurdur Y Kristinsson 1 , Ulf Henrik Mellqvist 10 , Cecilie Hveding Blimark 11 , Ingemar Turesson 5,6 . Hareth Nahi 1, 2 Affiliations: 1 Department of Medicine, Karolinska Institutet, Stockholm, Sweden. 2 Department of Hematology, Karolinska University Hospital Huddinge, Sweden. 3 Department of hematology, Linkoping University Hospital, Linköping, Sweden . 4 Center for Safety Research, KTH Royal Institute of Technology, Stockholm, Sweden. 5 Hematology, Lund University, Sweden. 6 Department of hematology, Skåne University Hospital, Lund-Malmö, Sweden. 7 Department of hematology, Norrlands University Hospital, Umeå, Sweden. 8 Department of hematology, Örebro University Hospital, Sweden, 9 Department of hematology, Uppsala University Hospital, Uppsala, Sweden. 10 Department of Hematology, South Elvsborg Hospital, Borås, Sweden. 11 Department of hematology, Sahlgrenska University Hospital, Gothenburg, Sweden. Correspondence: Göran Wålinder, M.D, Karolinska Institutet, Department of Medicine, Huddinge, Karolinska University Hospital, Huddinge 14186 Stockholm, Sweden, e-mail goran.walinder@ki.se Tel: +4672-4694949; fax +46(0)858582525 Running title: Non-measurable vs measurable myeloma Novelty statement: Accepted Article