Predictors | OR (95%-CI) | p-value | β a | Score b | |
---|---|---|---|---|---|
JIA category | Â | Â | Â | Â | Â |
Oligoarticular (persistent/extended) | Reference | 0 | |||
Polyarticular (RF negative/positive) | 4.99 (1.36-18.34) | 0.016 | 0.914 | 5 | |
Other (systemic/psoriatic/enthesitis) | 0.93 (0.16-5.49) | 0.935 | −0.042 | 0 | |
ANA | Positive | 1.98 (0.83-4.68) | 0.122 | 0.387 | 2 |
Parent/patient assessment of pain | ≤3 cm | Reference | 0 | ||
3-6Â cm | 2.06 (0.72-5.89) | 0.175 | 0.412 | 2 | |
>6 cm | 0.60 (0.17-2.07) | 0.421 | −0.288 | −1 | |
JADAS-27 | ≤5 | Reference | 0 | ||
5-15 | 0.35 (0.08-1.56) | 0.168 | −0.599 | −3 | |
>15 | 0.77 (0.14-4.32) | 0.766 | −0.150 | −1 | |
Thrombocytes | >350 × 109/L | 1.27 (0.49-3.27) | 0.621 | 0.136 | 1 |
ALT | >12 IU/L | 0.39 (0.16-0.96) | 0.040 | −0.534 | −3 |
Creatinine | >50 μmol/L | 1.37 (0.33-5.67) | 0.665 | 0.179 | 1 |
Interaction term creatinine: JIA category | |||||
>50 μmol/L & polyarticular arthritis | 0.17 (0.02-1.35) | 0.093 | −1.022 | −5 | |
>50 μmol/L & other JIA category | 0.82 (0.07-9.74) | 0.878 | −0.110 | −1 | |
Constant |  |  |  | −0.039 | 7 |
C-statistic | 77.5% | ||||
C-statistic (optimism-corrected by bootstrap) | 66.7% | ||||
Hosmer-Lemeshow test (p-value) | 0.705 |