Juvenile Idiopathic Arthritis in Children in Estonia.
Completed
- Conditions
- Epidemiology
- Interventions
- Other: Blood collecting for storage of samples
- Registration Number
- NCT01905319
- Lead Sponsor
- University of Tartu
- Brief Summary
Aims of the study:
* to study the incidence rate of juvenile idiopathic arthritis (JIA) and it's clinical subtypes in Estonia for the years 1998-2000;
* to examine the course and short-term clinical outcome of JIA.
Method: a prospective population-based study carried on in 14 counties of Estonia
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- COMPLETED
- Sex
- All
- Target Recruitment
- 162
Inclusion Criteria
- The International League of Associations for Rheumatology (ILAR) criteria for juvenile idiopathic arthritis
- children aged 0-15 years who had arthritis of an unknown cause for at least six weeks with an onset of the disease during the study period
Exclusion Criteria
- Children with infectious arthritis, postinfectious arthritis, traumatic arthritis and systemic connective tissue diseases
Study & Design
- Study Type
- OBSERVATIONAL
- Study Design
- Not specified
- Arm && Interventions
Group Intervention Description Subsequent new juvenile arthritis cases Blood collecting for storage of samples During years 1998-2000, all new subsequent cases of juvenile idiopathic arthritis diagnosed in Estonia were included in the study group.
- Primary Outcome Measures
Name Time Method Mean annual incidence rate of juvenile idiopathic arthritis in Estonia during years 1998-2000. 3 years
- Secondary Outcome Measures
Name Time Method