Table 1.

Main registered baseline parameters at diagnosis in multiple myeloma, smoldering MM, plasma cell leukemia, and solitary plasmacytoma in the Danish National Multiple Myeloma Registry

Patient related	Myeloma clonal characteristics	Myeloma complications	Prognostical parameters
Age Sex Personal identification number Postal code Date of diagnosis	M-component subtype S-M-component concentration U-M-component concentration Light-chain subtype S-free light kappa lambda chain concentration and ratio Bone marrow plasma cell infiltration (%) Cytogenetics Karyotype FISH abnormalities	Paraclinical findings  Bone disease by skeletal survey  CT/MRI/PET/DEXA (if performed)  Calcium  Creatinine  Hemoglobin  Leukocyte count  Thrombocyte count  U-protein Clinical complications  Medullary compression  Bone fractures  Hemodialysis-dependent renal failure  Amyloidosis  Polyneuropathy	ISS Beta-2-microglobulin Albumin WHO performance status LDH CRP

Abbreviations: CRP, C-reactive protein; CT, computed tomography; DEXA, dual-energy X-ray absorptiometry; FISH, fluorescence in situ hybridization; ISS, International Staging System; LDH, lactate dehydrogenase; MM, multiple myeloma; MRI, magnetic resonance imaging; PET, positron emission tomography; WHO, World Health Organization.