From: DNA methylation similarities in genes of black South Africans with systemic lupus erythematosus and systemic sclerosis
Study subjects
Controls
SLE
SSc
n
Age range (mean) yrs
Male
12
20-51 (35)
5
22-66 (45)
3
48-56 (51)
Female
28
22-53 (36)
25
22-63 (42)
27
32-60 (47)
Total
40
20-53 (38)
30
22-66 (42)
32-60 (48)