Juvenile idiopathic arthritis

Table 2 American College of Rheumatology pediatric core set criteria for improvement in juvenile idiopathic arthritis[52]

Criteria
1	Physician’s global assessment of overall disease activity by VAS
2	Parent of patient global assessment of overall well-being by VAS
3	Functional ability
4	Number of joints with active arthritis
5	Number of joints with limited range of motion
6	Erythrocyte sedimentation rate
ACR Pediatric 30 response	A minimum of 30% improvement from baseline in a minimum of 3 out of 6 components, with a worsening by > 30% in no more than one component
ACR Pediatric 50 response	Requires 50% improvement in 3 out of 6 components with worsening of 30% in no more than one component
ACR Pediatric 70 response	Requires 70% improvement in 3 out of 6 components with worsening of 30% in no more than one component

VAS: Visual analogue scale 0-10 cm. ACR: American College of Rheumatology.