During the 5 year period 71 ERCPs 33.8% were performed on patients who were over the age of 80. They were randomly paired with 139 patients 66.2%, who were under the age of 80 control group.
Durante el periodo de 5 años se realizaron 71 33,8% CPRE en pacientes con 80 años o más, las cuales se parearon de forma aleatoria con 139 66,2% pacientes que tuvieran 79 años o menos grupo control.