Table 2 RF positive poly and all JIA vs controls
| Â | Controls | All JIA | RF + poly JIA | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
N (%) | Titer mean U | N (%) | Titer mean U | OR (95 % CI) | P | N (%) | Titer mean U | OR (95 % CI) | P | |
ACPA (CCP IgG) | 1 (2) | 8 | 48 (14) | 25 | 8.22 (1.2-163.9) | 0.01 | 22 (73) | 295 | 135 (15–3085) | <0.00001 |
RF IgM | 4 (8) | 10 | 39 (12) | 19 | 1.52 (0.49-5.27) | ns | 28 (93) | 118 | 161 (23–1542) | <0.00001 |
RF IgG | 4 (8) | 10 | 26 (8) | 12 | 0.97 (0.30-3.45) | ns | 13 (43) | 30 | 8.79 (2.23-37.7) | 0.0002 |
RF IgA | 0 (0) | 6 | 27 (8) | 22 | - | 0.03 | 21 (70) | 140 | - | <0.00001 |
Anti RA33 | 3 (6) | 18 | 21 (6) | 14 | 1.05 (0.28-4.61) | ns | 1 (3) | 15 | 0.54 (0.02-6.31) | ns |
ANA IFA | 3 (6) | - | 88 (26) | - | 5.60 (1.62-23.16) | 0.002 | 5 (17) | - | 3.00 (0.56-17.59) | ns |