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Table 1 Number of pediatric SLE subjects with relatives affected by specific ADs

From: Patterns and influence of familial autoimmunity in pediatric systemic lupus erythematosus

Type of AD Subjects with any relative (N = 62) Subjects with 1st degree relative (N = 62) Subjects with 2nd degree relative (N = 62) Subjects with 3rd degree relative (N = 62)
SLE 13 (21%) 7 (11%) 5 (8%) 5 (8%)
Thyroid 9 (15%) 7 (11%) 3 (5%) 0
Psoriasis 4 (6%) 3 (5%) 1 (2%) 0
MCTD 3 (5%) 2 (3%) 1 (2%) 0
RA 3 (5%) 1 (2%) 2 (3%) 0
MS 2 (3%) 1 (2%) 1 (2%) 0
SA 1 (2%) 1 (2%) 0 0
Vitiligo 1 (2%) 1 (2%) 0 0
IDDM 1 (2%) 0 1 (2%) 0
  1. *N number of subjects with a complete family history available.
  2. *Thyroid thyroid disease, MCTD mixed connective tissue disease, RA rheumatoid arthritis, MS multiple sclerosis, SA spondyloarthropathy, IDDM insulin-dependent diabetes mellitus.