Table 1 (abstract A64).

Average calcium:creatinine ratios of the subtypes of JIA

Subtype	N	Average Age	Average Ca:creatine ratio	Standard deviation	Hypercalciuria	Hematuria
Enthesitis-related	10	14.4	0.111	0.100	1	0
Oligoarticular	8	10.8	0.109	0.042	0	0
Polyarticular	6	15.2	0.081	0.060	0	0
Psoriatic	5	16.1	0.105	0.048	0	1
Systemic	3	12.3	0.187	0.056	1	0
Undifferentiated	1	16.0	0.149	n/a	0	0
Total	33	13.8	0.112	0.071	2	1