Best-fitting models obtained through logistic regression procedures with the presence of JA-PASS or JA-CASS status as dependent variables. The area under the receiver-operating characteristic curve of the model was 0.88 for JA-PASS and 0.83 for JA-CASS.
| Dependent variables = presence of JA-PASS, n = 446 | Dependent variables = presence of JA-CASS, n = 256 | ||||
|---|---|---|---|---|---|
| Explanatory Variable | OR (95% CI) | p* | Explanatory Variable | OR (95% CI) | p* |
| No. disease-active joints = 0 | 6.6 (3.3–12.9) | < 0.0001 | No. active joints = 0 | 6.0 (2.8–12.7) | < 0.0001 |
| Parent well-being VAS score ≤ 1.5 | 5.8 (3.2–10.6) | < 0.0001 | Child well-being VAS score ≤ 1 | 3.1 (1.5–6.1) | 0.002 |
| JAFS score = 0 | 2.8 (1.6–4.9) | 0.0005 | PRQL-PhH score ≤ 1 | 3.0 (1.4–6.1) | 0.003 |
| Disease duration > 1.3 yrs | 2.4 (1.3–4.3) | 0.004 | |||
↵* By likelihood ratio test. JA-PASS: parent acceptable symptom state in juvenile arthritis; JA-CASS: child acceptable symptom state in juvenile arthritis; JAFS: Juvenile Arthritis Functionality Scale; VAS: visual analog scale; PRQL-PhH: Paediatric Rheumatology Quality of Life Scale-Physical Health.