JIA Severe Disease Course Calculator (Guzman et al 2016).
This calculator is provided with no implicit or explicit guarantee of fitness for patient care.
All input to the calculator should be from the visit at the time of diagnosis
Preliminary JIA Category
Number of Active Joints
Morning stiffness >= 30 minutes
Upper limb joint involved
Symmetric joint involvement
Rheumatoid factor positive
Cervical spine involved
Temporal mandibular joint involved
Any finger joint involved
Subtalar joint involved
Presence of enthesitis