Index of coexisting disease and old age as predictors of survival in hemodialysis patients oleh Miguel Cendoroglo Neto, Oscar Fernando Pavão dos Santos, Frederico Rafael Moreira, Nadia Karina Guimarães de Souza, Rosana Maria Cardoso, Christiane Karam, Ilson Jorge Iizuka, Moacir Oliveira, Maria Claudia Cruz Andreoli, Erika Bevilaqua Rangel, Cristiane Oshiro Mocelin de Carvalho, Ana Cristina Carvalho de Matos, Camila Sardenberg, Bento Fortunato Cardoso dos Santos