Weiss et al reported a tool for detecting a flare in a pediatric patient with juvenile spondyloarthritis. The authors are from multiple institutions in the United States.
Patient selection: pediatric patient with inactive juvenile spondyloarthritis
Parameters:
(1) change in caregiver/patient assessment of well-being on VAS scale
(2) change in physician assessment of disease activity on VAS scale
(3) change in caregiver/patient assessment of pain on VAS scale
(4) change in physical function (PROMIS mobility t-score, PROMIS upper extremity t-score, or CHAQ)
(5) change in active joint count
Parameter |
Finding |
Points |
change in well-being |
< 2 |
0 |
|
>= 2 |
1 |
change in disease activity |
< 2 |
0 |
|
>= 2 |
1 |
change in pain |
< 2 |
0 |
|
>= 2 |
1 |
change in function |
change in CHAQ < 0.125 |
0 |
|
change in CHAQ >= 0.125 |
1 |
|
change in PROMIS < 3 |
0 |
|
change in PROMIS >= 3 |
1 |
change in active joint count |
0 |
0 |
|
>= 1 |
1 |
where:
• The CHAQ score ranges from 0 to 3.
• The PROMIS mobility t-score ranges from 14 to 59.
• The PROMIS upper extremity t-score ranges from 10 to 57.
total score =
= SUM(points present)
Interpretation:
• minimum score: 0
• maximum score: 5
• A score >= 3 indicates a flare.
Performance:
• The area under the ROC curve is 0.91.
Specialty: Immunology/Rheumatology