Clinical features and management of primary biliary cirrhosis

Table 1 Epidemiology of primary biliary cirrhosis: Results from the most relevant studies[2–9]

Area	Patients (No.)	Prevalence (per million)	Incidence (per million/yr)	Age (yr)	Gender (M:F)
Europe (1984)	569	23	54	54	1:10
Northern Sweden (1990)	111	1511	13.3	55	1:6
North East England (1990)	347	1291	19	58	1:9
Ontario, Canada (1990)	225	22	3.3	59	1:13
Victoria, Australia (1995)	84	19	-	-	1:11
Newcastle, England (1997)	160	2401	22	66	1:10
Olmsted County, MN (2000)	46	4021	27	-	1:8
Victoria, Australia (2004)	249	511	-	61	1:9

¹Data include survey of laboratories for antimitochondrial antibodies.