This study aimed to identify the influencing factors on choice of dialysis modality in patients aged 60 years or more and the barriers and/or facilitators in the decision-making process. A descriptive, cross-sectional study was conducted involving patients undergoing renal replacement therapy for at least three months. Of the 55 patients included, 35 (64%) were under medical care before starting dialysis. The majority of patients, 55% (30), reported being consulted regarding the type of dialysis they would like. The most chosen therapy was hemodialysis with physician indication being the most influencing factor on the choice of dialysis modality. Visual and mobility problems were those principally reported by the elderly participants. This study suggests the need for greater pre-dialysis participation by the multidisciplinary team and emphasizes the importance of patient involvement in the decision-making process.