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Table 1 Demographics of untreated JDM and healthy controls

From: Nailfold capillary density in 140 untreated children with juvenile dermatomyositis: an indicator of disease activity

 

JDM

Healthy Control

P-value

n = 140

n = 46

Demographics

 Age, mean (SD)

6.7 (3.7)

7.7 (3.5)

0.125

Sex, n (%)

 Female

111 (79.3)

35 (76.0)

0.647

 Male

29 (20.7)

11 (24.0)

 

Race, n (%)

 White, Non-Hispanic

105 (75.0)

31 (67.4)

0.102

 White, Hispanic

24 (17.1)

7 (15.2)

 

 Black

5 (3.6)

2 (4.4)

 

 Asian

4 (2.9)

1 (2.2)

 

 Other

2 (1.4)

4 (8.7)

 

 Unknown

0 (0)

1 (2.2)

 

Capillary End Row Loop (ERL)density (x/mm), mean (SD)

5.1 (1.5)

7.9 (0.9)

 < 0.0001