Table 2.

Comparison of common rheumatic diseases between the CARRA registry and those reported from a 3-year multiclinic survey of all new patients seen9.

DiagnosisCARRA Enrollees (%)Rheumatology Clinic Population Enrollees (%)p*
JIA6503 (78)2761 (78)0.88
SLE998 (12)332 (9)< 0.001
Dermatomyositis630 (8)164 (4)< 0.00001
Fibromyalgia201 (2)268 (8)< 0.00001
  • * Chi-squared test. CARRA: Childhood Arthritis and Rheumatology Research Alliance; JIA: juvenile idiopathic arthritis (composite of juvenile rheumatoid arthritis, seronegative enthesopathy arthropathy, enthesitis, and spondyloarthropathy from Bowyer and Roettcher9); SLE: systemic lupus erythematosus.