Table 1.

Demographic and clinical characteristics of the children with juvenile dermatomyositis and pathologic calcifications^*

Patient	Sex	Age at juvenile DM onset, years	Duration of disease at calcification removal, months	Age at calcification removal, years	DAS, skin	DAS, muscle	TNFα –308	DQA1*0501
1	M	2.9	78	9.3	5	1.5	GA	+
2	F	1.1	155	13.8	5	7	GA	+
3	F	6.2	125	16.4	6	0	GG	−
4	F	2.5	29	4.9	4	2	GG	−
5	M	4.0	20	5.6	4	2	GG	−
Mean ± SD		3.3 ± 1.9	81.3 ± 58.7	10.0 ± 5.0	4.8 ± 0.8	2.5 ± 2.7

^*DAS = Disease Activity Score for children with juvenile dermatomyositis (juvenile DM) (scale of 0–9 for skin and 0–11 for muscle); TNFα = tumor necrosis factor α.