CLINICAL PREDICTORS OF LOW BONE MINERAL DENSITY IN CHILDREN WITH JUVENILE IDIOPATHIC ARTHRITIS
The aim of this study was to assess the role of simple clinical and laboratorial markers for prediction of low bone mineral density (LBMD  5.0, DAS > 2.9, DAS28 > 4.2, JADAS 10 > 15.6, JADAS 27 > 15.1, CDAI > 18.1, Steinbrocker's functional class > 2, systemic arthritis, corticosteroid treatment, arthritis duration > 4.5 years, number of active joints > 5, number of painful joints > 9, morning stiffness > 90 minutes, parental overall JIA activity (VAS) > 5.8, ESR > 16 mm/h, CRP > 22.6 mg/l were associated with increased risk of LBMD in JIA children. Among metabolic markers Ca total  1.59 mmol/l also increased the possibility of LBMD. Our data can help to identify the JIA patients at risk for LBMD and to suggest the indications for densitometry evaluation of JIA children.