tokens: RESULTS : Compared to controls , aortic regurgitation ( OR : 3 . 1 ; 95 % IC : 1 . 1 - 8 . 8 ) and mitral regurgitation ( OR : 10 . 7 ; 95 % IC : 2 . 1 - 53 ) were more frequent in PD patients ( tricuspid : NS ) .