Table 2.

The diagnosis of the patients without ERA

Other diagnoses then ERA
JIA oligoarticular	3
JIA polyarticular	3
Polyarthralgias mechanical	10
Auto-inflammatory syndrome	1
IBD related arthritis	2
Hyperlaxity syndrome	4
PsA	5
JSpA according to expert opinion	5
Undifferentiated/no clear diagnosis	52
	85 TOTAL

(JIA = Juvenile Idiopathic Arthritis, IBD = Inflammatory Bowel Disease, PsA = Psoriasis Arthritis, JSpA = Juvenile Spondylarthropathy)