Table 3.
Juvenile idiopathic arthritis category-specific outcomes
| ERA | Persistent Oligoarthritis | Extended Oligoarthritis | RF(+) Polyarthritis |
RF(−) Polyarthritis |
Systemic | Overall | |
|---|---|---|---|---|---|---|---|
| n = 73 | n = 33 | n = 22 | n = 9 | n = 19 | n = 25 | n = 181 | |
| Active | 46 (63) | 14 (42) | 15 (68) | 7 (78) | 10 (53) | 14 (56) | 106 (59) |
| Non-active | 24 (33) | 18 (55) | 5 (23) | 2 (22) | 8 (42) | 8 (32) | 65 (36) |
| Inactive | 13 (18) | 2 (6) | 3 (14) | 2 (22) | 3 (16) | 0 (0) | 23 (13) |
| Clinical remission, on-medication | 5 (7) | 1 (3) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 6 (3) |
| Clinical remission, off-medication | 6 (8) | 15 (46) | 2 (9) | 0 (0) | 5 (26) | 8 (32) | 36 (20) |
| Lost to follow-up | 3 (4) | 1 (3) | 2 (9) | 0 (0) | 0 (0) | 2 (8) | 8 (4) |
| Expired | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 1 (5) | 1 (4) | 2 (1) |
| Active/Non-active (P) | 46/24 (*0.036) | 14/18 (reference) | 15/5 (*0.027) | 7/2 (0.071) | 10/8 (0.422) | 14/8 (0.151) | 106/65 |
*In comparison to persistent oligoarthritis. P < 0.05 is statistically significant