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Table 2 Comparison of data

From: Juvenile idiopathic arthritis in two tertiary centres in the Western Cape, South Africa

Study Morocco4 Turkey6 Printo2W. Europe Printo2E. Europe Printo2Latin America India5 South Africa
N 80 196 2102 668 397 235 78
Age current 10.85* 8.8* 9.4* 11.4* 10.7*   13(12.4*)
Age at onset 7.53* 7.0* 5.4* 6.8* 6.6* 12 8(7.3*)
Female 59% 47% 83% 72% 68% 41.7% 50%
Systemic 26% 15.3% 16.4% 23% 28.5% 8% 7.69%
Polyarthritis 31.5% 37.2% 32% 33% 40.6% 29% 40.9%
Poly RF+   6.6%     12% 14%
Poly RF-   30.6%     17% 26.9%
Oligo Persistent 37,5% 24.4% 29.5% 31.6% 21.9% 17% 21.8%
Oligo extended 5% 9.6% 21.5% 12% 9% 4% 5%
ERA   10.3%     36% 23%
Psoriatic   1%     1% 1.28%
Undifferentiated   2.5%     5%  
VAS pain(mm) 28.4*   28* 23* 27*   18(24.9*)
VAS general(mm)    25* 28* 24*   25(28.4*)
Limited joints 1.78*   5.9* 8.6* 10.1*   2(6.51*)
Active joints 4.39*   5.3* 6.7* 7.1*   2(3.85*)
CHAQ 0.84*   0.7* 0.6* 0.8*   0.5(0.73*)
ESR 28*   30.7* 27.7* 31.2*   14 (25.1*)
  1. Median values represented unless * marks mean value.