Fig. 1: Flowchart outlining the study population and excluded participants.

SPEP Serum protein electrophoresis, IFE Immunofixation, FLC Free light chains, SCr Serum creatinine, eGFR Estimated glomerular filtration rate.

SPEP Serum protein electrophoresis, IFE Immunofixation, FLC Free light chains, SCr Serum creatinine, eGFR Estimated glomerular filtration rate.