Table 4 Comparison of SSA and developed countries
Country | Current study: South Africa | South Africa (14) | Zambia (20) | Kenya (63) | Nigeria (21) | Canada (61) | Atlanta (27) |
|---|---|---|---|---|---|---|---|
Single / Multi-centre | Single | Single | Single | Single | Single | Multi | Single |
Total N | 217 | 97 | 85 | 68 | 28 | 1183 | 287 |
JIA subtypes (%) | |||||||
 Oligo | 38.3 | 39 | 32.1 | 23.5 | 39.3 | 40 | 46 |
 Poly RF– | 19.8 | 30 | 34.6 | 38.2 | 42.8 | 20 | 24.4 |
 Poly RF+ | 8.3 | 9 | 11.5 | 17.6 | 7.1 | 4 | 4.5 |
 ERA | 17.5 | 5 | 6.4 | 5.9 | 0 | 14 | 12.9 |
 Psoriatic | 7.4 | 0 | 1.3 | 0 | 0 | 6 | 3.5 |
 SJIA | 7.8 | 16 | 14.1 | 14.7 | 17.9 | 6 | 7.7 |
 Undifferentiated | 0.9 | 0 | 0 | 0 | 0 | 10 | 0.7 |
 Uveitis (%) | 6.5 | 4 | 12.8 | 1.5 | 7.1 | 8.5 | 18.2 |