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OBJECTIVE To find the incidence of juvenile arthritis according to the ILAR and EULAR criteria within defined areas in the Nordic countries, and to study the validity of the ILAR and EULAR criteria from this perspective. METHOD A longitudinal, prospective, population based study with patients enrolled according to the ILAR and EULAR criteria. Twenty(More)
OBJECTIVE The general movement assessment (GMA) method is used to predict cerebral palsy (CP) in infants with high risk of developing neurological dysfunctions. Most of the work on GMA has been performed from the same group of researchers. The aim of this study was to demonstrate to what extent GMA predicted CP in our hands. METHOD A prospective study was(More)
Multilocus sequence typing of an almost complete collection of invasive group B streptococcus (GBS) strains from infants in Norway, conducted in 2006-2007, revealed 27 sequence types (ST), of which 23 clustered into five clonal complexes. The case fatality rate of invasive GBS disease in infants was 16/98 (16.3%). Type V strains were predominant among(More)
OBJECTIVE To describe the disease characteristics, long-term course, and outcome of patients with juvenile idiopathic arthritis (JIA) in a population-based setting. METHODS Consecutive cases of JIA from defined geographic areas of Denmark, Finland, Sweden, and Norway in whom disease onset occurred in 1997-2000 were included in a prospective, multicenter(More)
  • N Moe, M Rygg
  • 1998
OBJECTIVE To study the incidence and prevalence of juvenile chronic arthritis (JCA) in northern Norway. METHODS Cases from the period 1985-1994 were retrospectively identified from the hospital files of the only pediatric department treating JCA in the study area. The European League Against Rheumatism (EULAR) criteria for JCA were used. RESULTS The(More)
OBJECTIVE Variables for assessment of disease activity of juvenile idiopathic arthritis (JIA) were studied, in order to develop a disease activity score for children with JIA. METHODS One randomly chosen hospital visit was studied for each of 312 patients with JIA, with regard to disease activity variables. The physician global assessment score visual(More)
OBJECTIVE To compare the juvenile arthritis disease activity score (JADAS) based on C reactive protein (CRP) (JADAS-CRP) with JADAS based on erythrocyte sedimentation rate (ESR) (JADAS-ESR) and to validate JADAS in a population-based setting. METHODS The CRP and ESR values and the corresponding JADAS scores (JADAS10/27/71) were compared in a longitudinal(More)
OBJECTIVE To study the predictive value of antinuclear autoantibody (ANA) tests and antihistone antibodies (AHA) as risk factors for development of chronic asymptomatic uveitis of insidious onset in juvenile idiopathic arthritis (JIA). METHODS ANA by indirect immunofluorescence using HEp-2 cells (IF-ANA), ELISA for ANA (E-ANA), and AHA were analyzed in(More)
OBJECTIVE Amyloid deposition in multiple myeloma (MM) may lead to an arthropathy resembling rheumatoid arthritis (RA). Since a systematic description of its natural history is lacking, we have performed a systematic analysis of all published cases. METHODS Literature review featuring backward and forward database searches and direct inspection of(More)
The aim of this study was to determine the prevalence of self-reported chronic idiopathic pain among adolescents in relation to age and gender, and to explore how pain interferes with daily activities. The study was performed in Nord-Trøndelag County, Norway in 2006-2008. All adolescents were invited to participate; the response rate was 78%. Participants(More)