Table 2.

Autoimmune disease in Primary Biliary Cirrhosis cases and controls.

	PBC	Controls	P-value*
Autoimmune hepatitis	7%	0%	< 0.001
Celiac sprue	1%	0%	0.16
Raynaud's syndrome	13%	4%	< 0.001
Rheumatoid arthritis	8%	7%	0.12
Sjögren's syndrome	14%	1%	< 0.001
Diabetes Mellitus diagnosed before age 21	1%	0%	0.29
Diagnosis of any autoimmune disease (Celiac sprue, Sjögren's, Raynaud's syndrome, Rheumatoid arthritis or Autoimmune hepatitis )	33%	11%	< 0.001

PBC: Primary Biliary Cirrhosis

^*adjusted for age at time of recruitment, gender, and education