UK Renal Registry 15th annual report: Appendix D methodology used for analyses of PCT/HB incidence and prevalence rates and of standardised ratios.

The areas used were 146 English primary care trusts (PCTs), 5 English care trusts, the 7 Welsh Local Health Boards, the 14 Scottish Health Boards and the 5 Health and Social Care Trusts in Northern Ireland – these different types of area are collectively called PCT/HBs here. In England these areas are undergoing significant reorganisation at present with the introduction of clinical commissioning groups in April 2013. This report uses data up to 2011 and continues to report results at PCT level.