Table 1 Clinical characteristics of participants with Juvenile idiopathic arthritis (JIA) in relation to temporomandibular disorder (TMD)
Total cohort | TMD | No TMD | |
|---|---|---|---|
n = 221 | n = 88 | n = 133 | |
Value | Value | Value | |
Girls, n (%) | 132 (59.7) | 61 (69.3) | 71 (53.4) |
Age at onset, median (IQR) | 6.1 (8.1, 2.3–10.4) | 6.8 (8.4, 0.7–14.2) | 5.2 (7.2, 0.9–14.7) |
Age at visit by paediatric rheumatologists at the hospital, median (IQR) | 12.7 (5.3, 9.4–14.7) | 13.1 (3.3, 5.2–16.1) | 11.7 (6.5, 4.8–16.5) |
Disease duration, median (IQR) | 4.6 (5.7, 2.6–8.3) | 4.6 (6.0, 0.2–14.2) | 4.6 (5.5, 0.2–14.7) |
JIA categories, n (%) | |||
Oligoarthritis persistent | 77 (34.8) | 27 (30.7) | 50 (37.6) |
Oligoarthritis extended | 21 (9.5) | 11 (12.5) | 10 (7.5) |
Systemic arthritis | 7 (3.2) | 2 (2.3) | 5 (3.8) |
RF negative polyarthritis | 49 (22.2) | 17 (19.3) | 32 (24.1) |
RF positive polyarthritis | 4 (1.8) | 2 (2.3) | 2 (1.5) |
Psoriatic arthritis | 9 (4.1) | 6 (6.8) | 3 (2.3) |
Enthesitis-related arthritis | 23 (10.4) | 9 (10.2) | 14 (10.5) |
Undifferentiated JIA | 31 (14.0) | 14 (15.9) | 17 (12.8) |
Ongoing medication, n (%) | |||
No DMARDs | 75 (33.9) | 26 (11.8) | 49 (22.2) |
sDMARDs* | 60 (27.1) | 23 (10.4) | 37 (16.7) |
bDMARDs** | 86 (38.9) | 39 (17.6) | 47 (21.3) |