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Objective
The aim of the Paediatric Rheumatology International Trials Organisation (PRINTO) juvenile idiopathic arthritis (JIA) classification criteria, which is still in development, is to identify homogeneous groups of JIA patients. This study was undertaken to compare International League of Associations for Rheumatology (ILAR) JIA classification criteria and PRINTO JIA classification criteria...
ObjectiveTo describe the spatial distribution of incident cases of systemic lupus erythematosus (SLE) using geographic information systems (GIS).
MethodsSpatial analyses were carried out on 890 SLE patients and 541 psoriatic arthritis (PsA) patients (controls). Age‐ and sex‐adjusted rates for SLE/PsA for each census tract were calculated using denominator population values from the Canadian census...
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