MM	Multiple Myeloma
CGA	Comprehensive Geriatric Assessment
ADL	Activities of Daily Living
IADL	Instrumental Activities of Daily Living
IMWG	International Myeloma Working Group
IMWG-FI	International Myeloma Working Group Frailty Index
GAH	Geriatric Assessment in Hematology
FI-VIG	Frailty Index—Valoración Integral Geriátrica
CFS	Clinical Frailty Scale
R-MCI	Revised Myeloma Comorbidity Index
GLIM	Global Leadership Initiative on Malnutrition
BMI	Body Mass Index
MMSE	Mini-Mental State Examination
GDS	Geriatric Depression Scale
MNA-SF	Mini Nutritional Assessment—Short Form
EWGSOP2	European Working Group on Sarcopenia in Older People (2nd ed.)
CTCAE	Common Terminology Criteria for Adverse Events
MRD	Minimal Residual Disease
PET-CT	Positron Emission Tomography—Computed Tomography
OR	Odds Ratio
CI	Confidence Interval
ROC	Receiver Operating Characteristic
AUC	Area Under the Curve
OS	Overall Survival
PFS	Progression-Free Survival
CR	Complete Response
VGPR	Very Good Partial Response
PR	Partial Response
DRd	Daratumumab, Lenalidomide, Dexamethasone
D-VMP	Daratumumab, Bortezomib, Melphalan, Prednisone
Rd	Lenalidomide, Dexamethasone
CCI	Charlson Comorbidity Index
R-ISS	Revised International Staging System
NA	Not Applicable
NI	No Information
SPSS	Statistical Package for the Social Sciences
IBM	International Business Machines (Corp.)