Methods used

1.5  The key methods used to generate our evidence base were: 

•  a survey of all Trusts with an operational PFI project;

•  a survey of all ProjectCos;

•  in-depth case study visits to eight Trusts (Figure 2); and

•  analysis of centrally collected data.

1.6  For more information on the methods used see Appendix One. The majority of the figures presented in this report come from our survey of Trusts. The survey of Trusts had an overall response rate of 99 per cent.