95%CI	95% confidence interval
a	1st evaluation
ACR	American College of Rheumatology
b	2nd evaluation
BRST	Balneal and Rehabilitation Sanatorium of Techirghiol
BMI	Body mass index
E1	Examiner 1
E2	Examiner 2
EULAR	European League Against the Rheumatism
ICC	Intraclass correlation coefficient
ICCs	Intraclass correlation coefficients
K-L	Kellgren–Lawrence
KOA	Knee osteoarthritis
LLoA	Lower limit of agreement
LoA	Limits of agreement
MDC95	Minimal detectable chance 95% confidence level
MSUS	Musculoskeletal ultrasound
MRI	Magnetic Resonance Imaging
N	Number
NRS	Numeric Rating Scale
OA	Osteoarthritis
OMERACT	Outcome Measures in Rheumatology
p	p-value
SD	Standard deviation
SDx	Standard deviation of baseline score
SE	Standard error
SEM	Standard error of measurement
t	t-value
T	Evaluation time
ULoA	Upper limit of agreement
US	Ultrasound
VAG	Vibroarthrography
X-ray	Radiography