Received: 8 January 2021
Accepted: 11 June 2021
First Online: 13 July 2021
: The JRDR was approved by the ethics committee of the JSDT (approval no. 1) and was registered in the “University hospital Medical Information Network (UMIN) Clinical Trials Registry” under the clinical trial ID of UMIN000018641 on August 8, 2015: (Accessed June 2, 2020).The aims of the JSDT Renal Data Registry (JRDR) were well explained to the participating dialysis patients at the dialysis facilities.Documented approval forms from the patients were not required because all the data had already been collected, and there were no new interventions.The original data was totally anonymized to avoid any risk of compromising the privacy of the dialysis facilities and the patients.The data presented in the current manuscript does not contain any images, videos, or voice recording that could be used to identify an individual.
: Not applicable
: The authors declare that they have no competing interests.