organ-specific cardiac antibodies ( igg ; titer range 1/10 to 1/80 ) were more frequent in patients with dilated cardiomyopathy ( 17 [ 26 % ] of 65 ) than in those with other cardiac disease ( 2 [ 1 % ] of 208 , p less than 0.0001 ) or heart failure ( 0 [ 0 % ] of 41 , p less than 0.001 ) or in normal subjects ( 7 [ 3.5 % ] of 200 , p less than 0.0001 ) .
C0018787
cardiac
C0007193
dilated cardiomyopathy