Table 1.

Gender ratios in human autoimmune diseases.

Autoimmune Disease	Ratio (female/male)
Sjögren’s syndrome	9:1 - 20:1
Primary biliary cirrhosis	9:1 - 10:1
Systemic lupus erythematosus	9:1
Antiphospholipid antibodies	9:1
Mixed connective tissue disease	8:1
Chonic active hepatitis	8:1
Autoimmune thyroid diseases	8:1
Systemic sclerosis (scleroderma)	3:1 - 5:1
Rheumatoid arthritis	3:1 - 4:1
Myasthenia gravis	2:1 - 3:1
Multiple sclerosis	2:1 - 3:1
Autoimmune thrombocytopenic purpura	2:1
Diabetes mellitus type 1	1:1 - 2:1
Ulcerative colitis	1:1
Autoimmune myocarditis	1:1.2

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