Cross-sectional survey data on 623 elderly patients on maintenance haemodialysis

The questionnaire survey was carried out in 50 haemodialysis centres in Hunan Province from July 2021 to December 2021, and Volunteers surveyed outpatients (elderly patients who had been on haemodialysis treatment for 1 hour). Inclusion Criteria: age ≥60 years old; maintenance haemodialysis ≥3 months; normal communication and ability to understand; informed consent and voluntary consent.Informed consent and voluntary participation in the survey were obtained.