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National Comparative Audit of Blood Transfusion

What is the National Comparative Audit?

The National Comparative Audit of Blood Transfusion (NCABT) is a programme of clinical audits which looks at the use and administration of blood and blood components in NHS and independent hospitals in England and North Wales.

For the last 14 years we have offered participation in our programme to hospitals served by the blood services in England, Northern Ireland, Scotland and Wales. The objective of the audit programme is to provide evidence that blood is being prescribed and used appropriately and administered safely, and to highlight where practice is deviating from the guidelines to the possible detriment of patient care.

The programme is funded entirely by NHS Blood and Transplant (NHSBT) through the blood pricing mechanism, and is one of the largest independently funded audit programmes in the UK. No charge is made to UK hospitals participating in the programme. The programme has been in operation since 2003.

Audits and surveys

2018 Survey of O D negative red cell use 

2017 Audit of transfusion-associated circulatory overload

2017 Audit of red cell & platelet transfusions in haematology patients

2016 Audit of red cell transfusion in Hospices

2016 Audit of Patient Blood Management in adults undergoing elective, scheduled surgery




  • Audit of maternal anaemia Autumn 2018 or Spring 2019 (to be performed by midwives and obstetricians only)


  • Audit of FFP and cryoprecipitate in children and neonates Spring 2018
  • Audit of massive haemorrhage Autumn 2018
  • Vein to vein audit (continuous voluntary audit) 



John Grant-Casey
National Comparative Audit Programme Manager
Telephone: 07720 275388

David Dalton
National Comparative Audit Project Officer
Telephone: 0121 278 8216