AN	Anorexia nervosa
AUC	Area under the curve
BMD	Bone mineral density
BMI	Body mass index
CASP	Critical Appraisal Checklists
CKD	Chronic kidney disease
DALYs	Disability-adjusted life-years
DeFra	FRAX- Derived Fracture Risk Assessment
DXA	Dual X-ray absorptiometry
ESCEO	European Society for Clinical and Economic Aspects of Osteoporosis and Musculoskeletal Diseases
FDA	Food and Drug Administration
FEA	Finite Element Analysis
FN	Femoral neck
FRAX	Fracture Risk Assessment
FS	Fragility Score
GRADE	Grading of Recommendations, Assessment, Development, and Evaluations
HR-pQCT	High-resolution peripheral quantitative computed tomography
IOF	International Osteoporosis Foundation
k	Cohen’s kappa coefficient
K-L	Kellgren-Lawrence grading system
LS	Lumbar spine
LSC	Least significant change
MHz	Mega Hertz
MRI	Magnetic Resonance Imaging
OA	Osteoarthritis
OI	Osteogenesis imperfecta
PICO	Population, Intervention, Comparison and Outcome
pQCT	Peripheral quantitative computed tomography
PRISMA	Preferred Reporting Items for Systematic Reviews and Meta-Analysis Checklist
QALY	Quality-adjusted life year
QCT	Quantitative computed tomography
QUS	Quantitative Ultrasonography
REMS	Radiofrequency echographic multispectrometry
RMS-CV	Root-mean-square coefficient of variation
ROIs	Regions of interest
SCI	Science Citation Index
SDs	Standard deviations
T2DM	Type-2 diabetes mellitus
TBS	Trabecular bone score
TH	Total hip
US	Ultrasound
USA	United States of America
WHO	World Health Organization