Article History
Received: 6 August 2023
Accepted: 13 May 2024
First Online: 15 July 2024
Declarations
:
: Ethics approval for this IPD meta-analysis has been granted in accordance with the requirements of the National Statement on Ethical Conduct in Human Research (National Statement) and the policies and procedures of The University of Western Australia (RA/4/20/6466).
: Not applicable for protocol paper.
: T. R. reports grants from UK, NIHR HTA; grants from Australian, NHMRC; grants, personal, fees and nonfinancial support from Pharmacosmos; grants, personal fees, and nonfinancial support from Vifor Pharma; grants from NIHR EME; personal fees from Medtronic; and grants from Australian MRFF, outside the submitted work, and T. R. is a regular speaker at national and international conferences on anaemia, blood transfusion, wound healing and vascular diseases for which he has received expenses for travel, accommodation and sundries. T. R. has worked with several agencies promoting meetings or healthcare. T. R. is a Director of The Iron Clinic Ltd. and Director of Veincare London Ltd.; also, T. R. is the Vascular Lead for 18-week wait Ltd. No funding was provided by these institutions for this research. For the remaining authors, no conflicts of interest exist.