Abbreviations

ACR

American College of Rheumatology

ARA

American Rheumatism Association

BMD

bone mineral density

BMI

body mass index

BSP

bone sialoprotein

BUA

broadband ultrasonic attenuation

CI

confidence interval

COMP

cartilage oligomeric matrix protein

CrossLaps‘

carboxyterminal telopeptide (synthetic peptide EKAHDGGR) of type I collagen

CRP

C-reactive protein

DPYD

deoxypyridinoline (correct name lysylpyridinoline)

DPA

dual photon absorptiometry

DXA

dual x-ray absorptiometry

ELISA

enzyme-linked immunosorbent assay

ESR

erythrocyte sedimentation rate

FN

femoral neck

HAQ

Health Assessment Questionnaire

HPLC

high-pressure liquid chromatography

ICTP

carboxyterminal telopeptide (authentic, trivalently cross-linked peptide) of type I collagen

IP

interphalangeal

LS

lumbar spine

MMP

matrix metalloproteinase

NSAID

non-steroidal anti-inflammatory drug

NTx

aminoterminal telopeptide (authentic, trivalently cross-linked peptide) of type I collagen

OR

odds ratio

PICP

carboxyterminal propeptide of type I procollagen

PINP

aminoterminal propeptide of type I procollagen

PIIINP

aminoterminal propeptide of type III procollagen

PYD

pyridinoline (correct name hydroxylysylpyridinoline)

QCT

quantitative computed tomography

RA

rheumatoid arthritis

RF

rheumatoid factor

S

serum

SAARD

slow-acting anti-rheumatic drug

SPA

single photon absorptiometry

SD

standard deviation

SF

synovial fluid

TJRS

total joint replacement surgery

T score

BMD as a fraction of the SD of the mean of the previously published normal values for young adults (20-40 yr) of the same sex

VOS

velocity of sound

WBC

white blood cell

Z score

BMD expressed as a fraction of the SD of the mean of the previously published normal values for the patient’s sex and decade of age