Correlation of JADAS and JADAS3 at first presentation to paediatric rheumatology
| Number of patients | JADAS-71 and JADAS3-71 | JADAS-27 and JADAS3-27 | JADAS-10 and JADAS3-10 | |
|---|---|---|---|---|
| Whole cohort | 352 | 0.96 | 0.96 | 0.96 |
| Systemic onset | 28 | 0.93 | 0.94 | 0.92 |
| Persistent oligoarthritis | 164 | 0.96 | 0.96 | 0.96 |
| Extended oligoarthritis | 13 | 0.94 | 0.91 | 0.95 |
| RF− polyarthritis | 67 | 0.93 | 0.93 | 0.89 |
| RF+ polyarthritis | 11 | 0.98 | 0.96 | 0.96 |
| Enthesitis-related arthritis | 16 | 0.94 | 0.91 | 0.92 |
| Psoriatic arthritis | 28 | 0.95 | 0.95 | 0.94 |
| Undifferentiated arthritis | 25 | 0.99 | 0.99 | 0.98 |
JADAS, Juvenile Arthritis Disease Activity Score; RF, rheumatoid factor.