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Table 2 Demographics of children with JDM in qRT-PCR validation.

From: Duration of chronic inflammation alters gene expression in muscle from untreated girls with juvenile dermatomyositis

Patient No.

Age at Onset

DAS Skin

DAS Weak

DAS Total

Age at MBx

Duration of Untreated Disease (Months)

DQA 0301

DQA 0501

TNF Type

Short Disease Duration

1

6.8

5.0

9.0

14.0

6.9

1.2

neg

pos

GA

2

6.9

5.0

8.0

13.0

7.0

1.7

neg

pos

GG

3

6.1

7.0

9.0

16.0

6.3

1.8

neg

pos

GG

4

11.6

5.0

8.0

13.0

11.7

1.0

neg

pos

GG

5

8.9

5.0

7.0

12.0

9.0

1.5

neg

pos

GG

Mean

8.1

5.4

8.2

13.6

8.2

1.4

   

ST. Dev.

2.2

0.9

0.8

1.5

2.2

0.4

   

Long Disease Duration

6

8.5

6.0

7.0

13.0

9.6

12.9

neg

neg

GG

7

5.6

8.0

8.0

16.0

5.9

4.0

neg

pos

GA

8

8.3

4.0

8.0

12.0

8.7

4.9

neg

pos

AA

9

7.7

6.0

7.0

13.0

8.2

6.4

neg

pos

GG

10

14.7

5.0

10.0

15.0

15.2

5.9

neg

pos

GG

Mean

9.0

5.8

8.0

13.8

9.5

6.8

   

ST. Dev.

3.4

1.5

1.2

1.6

3.5

3.5

   
  1. DAS: disease activity score; MBx: muscle biopsy; DQA: Major histocompatibility complex, class II, DQ alpha-1; TNF type: Tumor necrosis factor -308 allele.