Table 1 Demographic and disease related variables
N = number of patients | Age 10–13 yrs N = 33 | Age 14–17 yrs N = 18 | Age 18–27 yrs N = 12 | All patients N = 63 |
|---|---|---|---|---|
Boys (N) | 13 | 6 | 3 | 22 |
Girls (N) | 20 | 12 | 9 | 41 |
Subtype JIA N (%) | Â | Â | Â | Â |
Systemic | 3 (9.1) | 4 (22.2) | 1 (8.3) | 8 (12.7) |
Oligo persistent | 3 (9.1) | 0 (0) | 0(0) | 3 (4.8) |
Oligo extended | 9 (27.3) | 3 (16.7) | 3 (25.0) | 15 (23.8) |
Polyarticular RF+ | 3 (9.1) | 2 (11.1) | 2 (16.7) | 7 (11.1) |
Polyarticular RF- | 14 (42.4) | 8 (44.4) | 5 (41.7) | 27 (42.9) |
Enthesitis related | 0 (0) | 1 (5.6) | 1 (8.3) | 2 (3.2) |
Psoriatic arthritis | 1 (3.0) | 0 (0) | 0 (0) | 1 (1.6) |
Disease Duration in years (IQR) | 5.5 (6.0) | 10.5 (6.0) | 10.0 (18.0) | 8.0 (7.0) |
CHAQ (IQR) | 1,6 (0.8) | 1,4 (0.3) | 1,4 (0.6)_ | 1,5 (0.8) |
Sports performance (hours/week, IOR) | 2.0 (3.0) | 3.0 (8.0) | 2.5 (6.0) | 2.0 (3.0) |
BMI kg/m2 (IQR) | 17.9 (3.3) | 21.3 (4.5) | 19.8 (3.9) | 18.8 (4.7) |
Z-score VO2peak (IQR) | −0.9 (1.5) | −0.8 (1.6) | −0.6 (1.7) | −0.8 (1.3)** |
Z-score VO2peak/kg (IQR) | −1.6 (1.7) | −1.5 (2.1) | −1.0 (2.1) | −1.5 (1.9)** |
ESR mm (IQR) | 8.0 (10.0) | 9.5 (16.0) | 7.0 (14.0) | 8.0 (13.0) |
CRP mg/l (IQR) | 2.0 (5.0) | 6.0 (23.0) | 6.0 (5.0) | 5.5 (6.0) |
Haemoglobin mmol/l (IQR) | 8.0 (1.0) | 7.6 (1.0) | 8.7 (1.3) | 7.9 (1.3) |
Thrombocytes 10.9/l (IQR) | 315 (102) | 273 (102) | 290 (93) | 298 (83) |
DAS28 (IQR) | 1.7 (1.1) | 1.8 (1.9) | 1.5 (1.6) | 1.6 (1.2) |
JADAS 27 (IQR) | 3.6 (7.1) | 3.0 (22.9) | 2.6 (17.1) | 2.9 (9.0) |
VAS patient (IQR) | 0.2 (2.3) | 0.5 (3.1) | 0.5 (.6) | 0.5 (2.3) |
Number of swollen joints (IQR) | 0.0 (2.0) | 0.0 (3.0) | 0.0 (3.0) | 0.0 (4.4) |
Number of tender joints (IQR) | 0.0 (3.5) | 0.0 (4.0) | 0.0 (3.8) | 0.0 (4.1) |
Number of limited joints (IQR) | 1.5 (4.0) | 2.0 (5.0) | 2.5 (5.0) | 2.0 (4.0) |